CVE-2021-31955
Microsoft Windows Kernel Information Disclosure Vulnerability
CVSS
—
No CVSS
EPSS
81.1%
p100
KEV
YES
Nov 3, 2021
Exploit Today
80
0-100
Published: — · Last modified: —
80.3%EPSS · 30 days81.1%
2026-06-302026-07-16
Product
Microsoft / Windows
Vulnerability
Microsoft Windows Kernel Information Disclosure Vulnerability
Added to KEV
Nov 3, 2021
Remediate by
Nov 17, 2021
Known ransomware use
No
Summary description
Microsoft Windows Kernel contains an unspecified vulnerability that allows for information disclosure. Successful exploitation allows attackers to read the contents of kernel memory from a user-mode process.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-31955
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