CVE-2026-48566: CWE-125: Out-of-bounds Read in Microsoft Windows 11 Version 24H2
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
CVE-2026-48566 is a vulnerability classified as CWE-125 (Out-of-bounds Read) found in the Windows DWM Core Library of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). It permits an authorized attacker with local privileges to read memory beyond intended boundaries, potentially disclosing sensitive information. The vulnerability does not require user interaction and has a low attack complexity. Microsoft has published an official fix for this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to read memory outside the intended buffer boundaries, leading to information disclosure. There is no impact on integrity or availability. The vulnerability does not require user interaction and has a medium severity level.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from the Microsoft Security Response Center to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-48566: CWE-125: Out-of-bounds Read in Microsoft Windows 11 Version 24H2
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
CVE-2026-48566 is a vulnerability classified as CWE-125 (Out-of-bounds Read) found in the Windows DWM Core Library of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). It permits an authorized attacker with local privileges to read memory beyond intended boundaries, potentially disclosing sensitive information. The vulnerability does not require user interaction and has a low attack complexity. Microsoft has published an official fix for this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to read memory outside the intended buffer boundaries, leading to information disclosure. There is no impact on integrity or availability. The vulnerability does not require user interaction and has a medium severity level.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from the Microsoft Security Response Center to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-21T20:00:35.245Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48566","vendor":"Microsoft"}]
Threat ID: 6a284d0f8dd33fbd856658a4
Added to database: 06/09/2026, 17:27:43 UTC
Last enriched: 07/29/2026, 22:08:13 UTC
Last updated: 07/31/2026, 19:30:14 UTC
Views: 58
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