CVE-2023-29336
Exploited in the Wild
✓ Confirmed 0-Day
★ Google Project Zero
Triaged: March 3, 2026
4 articles
EPSS Score
Source: FIRST.org · 2026-05-24
76.66%
probability
This CVE has a 76.66% probability
of being exploited in the next 30 days.
0%
Top 99.0th percentile of all CVEs
100%
CVSS score unavailable
Neither CIRCL nor NVD returned a CVSS score for this CVE.
View on VulnerabilityLookup ↗
Description
Project ZeroWin32k Elevation of Privilege
Attack Intelligence
CWE-118
· Incorrect Access of Indexable Resource ('Range Error')
CWE-119
· Buffer Overflow
CWE-416
· Use After Free
CWE-664
· Improper Control of a Resource Through its Lifetime
CWE-666
· Operation on Resource in Wrong Phase of Lifetime
CWE-672
· Operation on a Resource after Expiration or Release
CWE-825
· Expired Pointer Dereference
Google Project Zero
Patched
May 9, 2023
Reported by
Jan Vojtěšek, Milánek, and Luigino Camastra with Avast
Root Cause Analysis
???
Exploits & PoC
m-cetin/CVE-2023-29336
PoC CVE-2023-29336 — m-cetin/CVE-2023-29336
21
1 repo — triés par ⭐
Rechercher sur GitHub ↗
Microsoft and Adobe Patch Tuesday, May 2023 Security Update Review
Qualys
May 09, 2023
Security Advisory 2023-028
CERT-EU
May 10, 2023
Signal Intelligence
Confidence
78%
EPSS
76.66%
Mentions
4
Last Seen
May 10, 2023
CNA Information
Analyst Note
This Win32k elevation of privilege vulnerability in Windows 10 is confirmed by CERT-EU security advisory coverage and carries a HIGH CVSS score (7.8), indicating substantial severity. While not yet listed in CISA KEV, inclusion in Project Zero and official patch documentation from Microsoft's May 2023 update provides strong validation of the vulnerability's authenticity.
Triage Info
Decided atMar 03, 2026