01 Record
CVE-2026-69743
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
HighPUBLISHEDCNA: microsoft
CNA base score7.0 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
02 Description
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.30% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 23.2% of scored records. A rank, not a probability.
- NVD base score
- 7.0 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-28.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-13 18:59Z15 DAYS AGO
- Last updated
- 2026-10-29 15:10Z3 HR AGO
- Reserved
- 2026-08-03
- Assigning CNA
- microsoft
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.0)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Weaknesses
- CWE-416Use After FreeVariant
- Data version
- 5.2
- Document digest
- bec0d67be73b724fd6173822d2d5af1da011900df9842f3a047f76fa9bd663c7
05 Affected products
VendorProductVersionsPlatforms
MicrosoftWindows 11 version 23H210.0.22631.0 to < 10.0.22631.7652ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 Version 24H210.0.26100.0 to < 10.0.26100.9711ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 Version 25H210.0.26200.0 to < 10.0.26200.9711ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 version 26H110.0.28000.0 to < 10.0.28000.3231ARM64-based Systems, x64-based Systems
MicrosoftWindows 11 Version 26H210.0.26300.0 to < 10.0.26300.9711ARM64-based Systems, x64-based Systems
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to < 10.0.26100.33650x64-based Systems
06 References
- msrc.microsoft.comWindows Program Compatibility Assistant Service Elevation of Privilege Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69743