CVE-2026-62894: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability is a heap-based buffer overflow in the Windows Desktop Window Manager (DWM) Core Library in Windows 10 Version 1607 (build 10.0.14393.0). It enables an attacker with local authorized access to elevate their privileges by exploiting the overflow condition. The flaw is tracked as CWE-122. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. This could lead to full system compromise depending on the privileges gained. There are no known exploits 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-2026-62894 to remediate this vulnerability.
CVE-2026-62894: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a heap-based buffer overflow in the Windows Desktop Window Manager (DWM) Core Library in Windows 10 Version 1607 (build 10.0.14393.0). It enables an attacker with local authorized access to elevate their privileges by exploiting the overflow condition. The flaw is tracked as CWE-122. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. This could lead to full system compromise depending on the privileges gained. There are no known exploits 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-2026-62894 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:25:21.034Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62894","vendor":"Microsoft"}]
Threat ID: 6a7b5821bf8831d53915615d
Added to database: 08/11/2026, 17:13:05 UTC
Last enriched: 08/11/2026, 20:58:08 UTC
Last updated: 08/12/2026, 02:01:07 UTC
Views: 2
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