CVE-2023-29336 kev in the critical feed json
Win32k Elevation of Privilege Vulnerability
published 2023-05-09 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32910
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2023-05-09
- epss
- 41.2%
- EPSS 41.2% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB
Summary
Win32k Elevation of Privilege Vulnerability
Patch / fix
cisa required action Apply updates per vendor instructions.
- Microsoft Windows 10 Version 1507 10.0.10240.19926
- Microsoft Windows 10 Version 1607 10.0.14393.5921
- Microsoft Windows Server 2016 10.0.14393.5921
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.5921
- Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22070
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.22070
- Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22070
- Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.26519
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.26519
- Microsoft Windows Server 2012 6.2.9200.24266
- Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.24266
- Microsoft Windows Server 2012 R2 6.3.9600.20969
- Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.20969
Timeline
- 0-day patched (Project Zero)
- Added to CISA KEV
- Published
- CISA patch deadline
- CISA SSVC: exploitation active
- First public exploit (EDB-52301)
Known exploited
- Added
- 3 y ago
- Patch by
- 2023-05-30 (3 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Microsoft, Win32k
- CISA name
- Microsoft Win32K Privilege Escalation Vulnerability
Zero-day
Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.
- Patched
- 2023-05-09
- Details
- project zero tracker
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
41.19% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-52301 Microsoft Windows Server 2016 - Win32k Elevation of Privilege local, 2025-05-25
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | 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 |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2008 Service Pack 2
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
- Microsoft Windows Server 2008 Service Pack 2
- Microsoft Windows Server 2008 R2 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-29336
vendor-advisory, patch
-
exploit-db.com
/exploits/52301
exploit
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29336
government-resource, us-government-resource
Sources
- CVE List CVE-2023-29336
- NVD CVE-2023-29336
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