CVE-2022-29116

Kernel memory disclosure to local low-privileged users

Published May 10, 2022 · Updated Jan 2, 2025

Information disclosure in Microsoft Windows 11 version 21H2 before 10.0.22000.675 allows local users to read kernel memory. Microsoft has not published the affected kernel locus or the shared resource and synchronization error that expose the information. Exploitation requires low privileges and winning a high-complexity local race, with confidentiality impact only.

CVSS severity4.7
Medium
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Microsoft Windows 11 version 21H2 before 10.0.22000.675 allows local users to read kernel memory. Microsoft has not published the affected kernel locus or the shared resource and synchronization error that expose the information. Exploitation requires low privileges and winning a high-complexity local race, with confidentiality impact only.

The record

CVE
CVE-2022-29116
Published
May 10, 2022
Updated
Jan 2, 2025
Vendor
Microsoft
Product
Windows 11 version 21H2
Classifications
CWE-362
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 10, 2022CVE publishedPublication date reported by the CVE source.
  2. Jan 2, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0.0 <10.0.22000.675

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Windows 11 version 21H2version=10.0.0 <10.0.22000.675

Published CVSS scores

4.7Microsoft CorporationCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
4.7NIST NVDAV:L/AC:M/Au:N/C:C/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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