CVE-2023-29336
Win32k Elevation of Privilege Vulnerability
Vexday Risk Score
83Fix now
SSVC decision (CISA)
Act
Exploitation + impact → act immediately
CVSS 7.8EPSS 40.9%KEV simPoC públicaPatch referenciado
Lifecycle
09 May 2023Active exploitation (CISA KEV)
09 May 2023Published on NVD
09 Jun 2023Public PoC
Recommendation: Patch as soon as possible — active exploitation confirmed.
In short
A flaw in Windows' graphics system (Win32k) allows an attacker with limited user privileges to gain higher system permissions. This is dangerous because it can give attackers full control over the computer.
Technical detail
Use-after-free vulnerability (CWE-416) in Win32k kernel component. An attacker with standard user privileges can trigger memory corruption by manipulating graphics objects, leading to kernel-level code execution and privilege escalation.
Summary generated and translated by AI from the official description.
Win32k Elevation of Privilege Vulnerability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)public PoCs found — 2
githubgithub.com/m-cetin/CVE-2023-29336★ 21cve_referencewww.exploit-db.com/exploits/52301unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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