CVE-2026-97815: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 9.8critical
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows 11 Version 26H2
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-97815) is a heap-based buffer overflow in the Windows Error Reporting component of Microsoft Windows 10 Version 1607 and other affected versions. It enables remote code execution by an unauthenticated attacker over a network. The flaw is classified under CWE-122. The vulnerability is rated critical with a CVSS 3.1 base score of 9.8, reflecting its ease of exploitation and severe impact. Microsoft has issued official fixes for all affected versions.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code remotely without any privileges or user interaction, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the affected systems.
Mitigation Recommendations
Microsoft has released official patches for all affected versions of Windows 10. It is strongly recommended to apply these updates promptly to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-25T04:41:33.500Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97815","vendor":"Microsoft"}]
Threat ID: 6ace85972cdf04f656a01aba
Added to database: 10/13/2026, 19:25:11 UTC
Last enriched: 10/13/2026, 19:33:30 UTC
Last updated: 10/14/2026, 02:48:25 UTC
Views: 9
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