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Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability

🗓️ 13 Oct 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 4 Views

Improper null termination in Windows Program Compatibility Assistant Service allows local privilege escalation.

Related
Detection
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-83781
14 Oct 202604:04
–circl
cve
CVE
CVE-2026-83781
13 Oct 202619:00
–cve
cvelist
Cvelist
CVE-2026-83781 Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
13 Oct 202619:00
–cvelist
euvd
EUVD
EUVD-2026-99997
13 Oct 202619:00
–euvd
nvd
NVD
CVE-2026-83781
13 Oct 202619:20
–nvd
ptsecurity
Positive Technologies
PT-2026-112575
13 Oct 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-83781 Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
13 Oct 202619:00
–vulnrichment
Vulners
Node
OR
microsoftwindows_11_26h1Range<10.0.28000.3231x64
microsoftwindows_server_2025Range<10.0.26100.33650
microsoftwindows_11_23h2Range<10.0.22631.7652x64
microsoftwindows_11_26h1Range<10.0.28000.3231x64
microsoftwindows_11_24h2Range<10.0.26100.9711x64
microsoftwindows_11_24h2Range<10.0.26100.9711x64
microsoftwindows_11_23h2Range<10.0.22631.7652x64
microsoftwindows_11_25h2Range<10.0.26200.9711x64
microsoftwindows_11_25h2Range<10.0.26200.9711x64
microsoftwindows_server_2022Range<10.0.20348.5761
microsoftwindows_server_2025Range<10.0.26100.33650
microsoftwindows_server_2022Range<10.0.20348.5761

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13 Oct 2026 14:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
SSVC
4