CVE-2026-50679: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 Version 24H2
A heap-based buffer overflow vulnerability exists in the Microsoft Windows Search Component in Windows 11 Version 24H2 (build 10.0.26100.0). This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7.8. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
CVE-2026-50679 is a heap-based buffer overflow vulnerability in the Windows Search Component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The flaw enables a local attacker with authorized access to escalate privileges by exploiting improper memory handling. The vulnerability is classified under CWE-122 (Heap-based Buffer Overflow) and has a CVSS v3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. This can lead to full system compromise, including unauthorized access to sensitive information and the ability to execute arbitrary code with elevated rights.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50679 to remediate this vulnerability.
CVE-2026-50679: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 Version 24H2
Description
A heap-based buffer overflow vulnerability exists in the Microsoft Windows Search Component in Windows 11 Version 24H2 (build 10.0.26100.0). This flaw allows an authorized local attacker to elevate privileges on the affected system. The vulnerability has a high severity rating with a CVSS score of 7.8. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-50679 is a heap-based buffer overflow vulnerability in the Windows Search Component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). The flaw enables a local attacker with authorized access to escalate privileges by exploiting improper memory handling. The vulnerability is classified under CWE-122 (Heap-based Buffer Overflow) and has a CVSS v3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access to the system. This can lead to full system compromise, including unauthorized access to sensitive information and the ability to execute arbitrary code with elevated rights.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50679 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-05T14:35:07.080Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50679","vendor":"Microsoft"}]
Threat ID: 6a5676aa68715ace43f0976a
Added to database: 07/14/2026, 17:49:30 UTC
Last enriched: 07/14/2026, 22:34:39 UTC
Last updated: 07/15/2026, 03:07:20 UTC
Views: 2
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