CVE-2023-29336
High 7.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Win32K Privilege Escalation Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
Win32k Elevation of Privilege Vulnerability
Metrics
- CVSS 3.1
-
7.8 (HIGH)
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 41% (percentile: 99) as of 2 November 2026
- CWE
- CWE-416
Affected products
microsoft: windows 10 1507; microsoft: windows 10 1607; microsoft: windows server 2008; microsoft: windows server 2012; microsoft: windows server 2016
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29336 PatchVendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29336 PatchVendor Advisory
- https://www.exploit-db.com/exploits/52301 Exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023… US Government Resource