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CVE Watch

CVE-2023-29336

Microsoft Win32K Privilege Escalation Vulnerability

CVSS

No CVSS

EPSS

40.9%

p99

KEV

YES

May 9, 2023

Exploit Today

80

0-100

Published: · Last modified:

EPSS · 30d
40.9%EPSS · 30 days40.9%
2026-08-022026-08-31
KEV catalog record

Product

Microsoft / Win32k

Vulnerability

Microsoft Win32K Privilege Escalation Vulnerability

Added to KEV

May 9, 2023

Remediate by

May 30, 2023

Known ransomware use

No

Summary description

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation up to SYSTEM privileges.

Required action

Apply updates per vendor instructions.

Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-29336; https://nvd.nist.gov/vuln/detail/CVE-2023-29336

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