CVE-2026-62688: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 Version 24H2
Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the Windows MIDI Service Module on Windows 11 Version 24H2 (build 10.0.26100.0). An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The issue is tracked as CWE-122. Microsoft has released an official fix addressing this vulnerability.
Potential Impact
Successful exploitation can lead to full confidentiality, integrity, and availability impact on the affected system by allowing privilege escalation. This means an attacker with local access could gain higher privileges than intended, potentially leading to system compromise.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62688 to remediate this vulnerability.
CVE-2026-62688: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 Version 24H2
Description
Heap-based buffer overflow in Windows MIDI Service Module 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 involves a heap-based buffer overflow in the Windows MIDI Service Module on Windows 11 Version 24H2 (build 10.0.26100.0). An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The issue is tracked as CWE-122. Microsoft has released an official fix addressing this vulnerability.
Potential Impact
Successful exploitation can lead to full confidentiality, integrity, and availability impact on the affected system by allowing privilege escalation. This means an attacker with local access could gain higher privileges than intended, potentially leading to system compromise.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62688 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T20:56:21.890Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62688","vendor":"Microsoft"}]
Threat ID: 6a7b5808bf8831d5391559b3
Added to database: 08/11/2026, 17:12:40 UTC
Last enriched: 08/11/2026, 22:41:18 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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