CVE-2026-44814: CWE-125: Out-of-bounds Read in Microsoft Windows 11 version 26H1
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read in the Windows Desktop Window Manager (DWM) Core Library on Windows 11 version 26H1 (build 10.0.28000.0). An authorized attacker with local access can exploit this flaw to read memory outside the intended bounds, potentially disclosing sensitive information. The vulnerability does not allow for integrity or availability impact, only confidentiality is affected. Microsoft has released an official fix addressing this issue.
Potential Impact
The vulnerability allows an authorized local attacker to read memory beyond intended boundaries, leading to potential disclosure of sensitive information. There is no impact on system integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44814 to remediate this vulnerability.
CVE-2026-44814: CWE-125: Out-of-bounds Read in Microsoft Windows 11 version 26H1
Description
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read in the Windows Desktop Window Manager (DWM) Core Library on Windows 11 version 26H1 (build 10.0.28000.0). An authorized attacker with local access can exploit this flaw to read memory outside the intended bounds, potentially disclosing sensitive information. The vulnerability does not allow for integrity or availability impact, only confidentiality is affected. Microsoft has released an official fix addressing this issue.
Potential Impact
The vulnerability allows an authorized local attacker to read memory beyond intended boundaries, leading to potential disclosure of sensitive information. There is no impact on system integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44814 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-07T20:07:18.271Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44814","vendor":"Microsoft"}]
Threat ID: 6a284cd18dd33fbd85664a8d
Added to database: 06/09/2026, 17:26:41 UTC
Last enriched: 07/29/2026, 21:52:54 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 53
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