CVE-2023-29336
KEVMicrosoft Win32K Privilege Escalation Vulnerability
Description
Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation up to SYSTEM privileges.
Win32k Elevation of Privilege Vulnerability
CVSS 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HPublishedMay 9, 2023
Last modifiedJun 17, 2026
Added to KEVMay 9, 2023
Remediation dueMay 30, 2023
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29336PatchVendor Advisory
- exploit-db.com/exploits/52301Exploit
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29336US Government Resource
0 recent articles mention this CVE
73
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1246 days
- CVSS
- 7.8 HIGH
- EPSS (30-day exploit probability)
- 41.2% · top 1% of all CVEs
- Weakness
- CWE-416
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.