CVE-2026-61923: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Heap-based buffer overflow in Windows Display Enhancement Service allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the Windows Display Enhancement Service component of Windows 10 Version 1809. An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CWE-122 and has a CVSS v3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation allows a local authorized attacker to gain elevated privileges, potentially leading to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61923 for detailed patch information and deployment guidance.
CVE-2026-61923: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1809
Description
Heap-based buffer overflow in Windows Display Enhancement Service 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 Display Enhancement Service component of Windows 10 Version 1809. An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CWE-122 and has a CVSS v3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation allows a local authorized attacker to gain elevated privileges, potentially leading to full control over the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61923 for detailed patch information and deployment guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-13T04:47:32.462Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61923","vendor":"Microsoft"}]
Threat ID: 6a7b5804bf8831d5391558b1
Added to database: 08/11/2026, 17:12:36 UTC
Last enriched: 08/11/2026, 22:42:38 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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