CVE-2026-97815

9.8Critical

Published 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash

9.8Critical

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Impact: Full C/I/A compromise
Weakness: CWE-122

Impact

Unauthenticated attackers can execute arbitrary code over the network on vulnerable hosts. They do not need credentials or user interaction to exploit it.

Root cause

A heap-based buffer overflow in Windows Error Reporting.

Affected systems

Versions not listed — check the vendor advisory.

CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Fix & remediation

Install the security patch from the MSRC advisory; if patching must wait, disable the Windows Error Reporting Service (WerSvc) or block relevant inbound network traffic.

shell

$ Stop-Service -Name WerSvc -Force; Set-Service -Name WerSvc -StartupType Disabled

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97815PatchVendor Advisory

Source: nvd.nist.gov/vuln/detail/CVE-2026-97815