CVE-2021-28310
Microsoft Win32k Privilege Escalation Vulnerability
CVSS
—
No CVSS
EPSS
8.3%
p94
KEV
YES
Nov 3, 2021
Exploit Today
78
0-100
Published: — · Last modified: —
8.3%EPSS · 30 days8.3%
2026-06-302026-07-16
Product
Microsoft / Win32k
Vulnerability
Microsoft Win32k Privilege Escalation Vulnerability
Added to KEV
Nov 3, 2021
Remediate by
Nov 17, 2021
Known ransomware use
No
Summary description
Microsoft Windows Win32k contains an unspecified vulnerability that allows for privilege escalation.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-28310
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