PULSEUnderground Intel

LIVE65signals / 24h

FEED

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CVE Watch—

CVE-2021-28310

Microsoft Win32k Privilege Escalation Vulnerability

CVSS

—

No CVSS

EPSS

8.4%

p95

KEV

YES

Nov 3, 2021

Exploit Today

78

0-100

Published: — · Last modified: —

EPSS · 30d

8.3%EPSS · 30 days8.4%

2026-09-172026-10-15

KEV catalog record

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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