222 lines
9.1 KiB
JSON
222 lines
9.1 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-92369",
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"assignerOrgId": "13430f76-86eb-43b2-a71c-82c956ef31b6",
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"state": "PUBLISHED",
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"assignerShortName": "TV",
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"dateReserved": "2026-09-16T07:16:01.956Z",
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"datePublished": "2026-09-29T15:39:53.082Z",
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"dateUpdated": "2026-09-30T15:28:19.100Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "13430f76-86eb-43b2-a71c-82c956ef31b6",
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"shortName": "TV",
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"dateUpdated": "2026-09-29T15:39:53.082Z"
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},
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"title": "Time-of-check Time-of-use (TOCTOU) Race Condition in TeamViewer Windows Installer Rollback Mechanism Leads to Local Privilege Escalation",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-367",
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"description": "CWE-367 Time-of-check time-of-use (TOCTOU) race condition",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-29",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-29 Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "TeamViewer",
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"product": "Full Client",
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"platforms": [
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"Windows"
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],
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"versions": [
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{
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"status": "affected",
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"version": "15.0",
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"lessThan": "15.82",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "15.64.0 (Legacy Windows 7 & 8)",
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"lessThan": "15.64.8 (Legacy Windows 7 & 8)",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "14.7.0",
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"lessThan": "14.7.48855",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "13.2.0",
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"lessThan": "13.2.36230",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "TeamViewer",
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"product": "Host",
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"platforms": [
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"Windows"
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],
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"versions": [
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{
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"status": "affected",
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"version": "15.0",
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"lessThan": "15.82",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "15.64.0 (Legacy Windows 7 & 8)",
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"lessThan": "15.64.8 (Legacy Windows 7 & 8)",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "14.7.0",
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"lessThan": "14.7.48855",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "13.2.0",
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"lessThan": "13.2.36230",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "TeamViewer Full Client and Host prior to version 15.82 on Windows contain a TOCTOU race condition in the installer rollback mechanism. A local low-privileged attacker can replace rollback backup files stored in a user-writable temporary directory before they are restored by an elevated installer, resulting in privilege escalation to NT AUHORITY/SYSTEM. Exploitation requires successful timing of the race condition and a rollback during installation or update.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "TeamViewer Full Client and Host prior to version 15.82 on Windows contain a TOCTOU race condition in the installer rollback mechanism. A local low-privileged attacker can replace rollback backup files stored in a user-writable temporary directory before they are restored by an elevated installer, resulting in privilege escalation to NT AUHORITY/SYSTEM. Exploitation requires successful timing of the race condition and a rollback during installation or update. "
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}
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]
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}
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],
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"references": [
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{
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"url": "https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/",
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"tags": [
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"vendor-advisory"
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "REQUIRED",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 7.3,
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"
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}
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Update to the latest version.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "Update to the latest version."
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}
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]
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "We thank Romain Igounet and Hugo Leclercq for the discovery and responsible disclosure.",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.5"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-92369",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-09-30T15:15:35.268669Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-30T15:28:19.100Z"
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}
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}
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]
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}
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} |