CVE-2026-83715

7.1High

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

7.1High

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None
Impact: High impact on confidentiality, integrity
Weakness: CWE-306

Impact

A local attacker with standard user access can tamper with system components and read or modify sensitive data. They require existing local access to the Windows machine to trigger the flaw.

Root cause

Windows Error Reporting fails to authenticate callers executing a critical internal function.

Affected systems

Versions not listed — check the vendor advisory.

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

Fix & remediation

Install the relevant Microsoft security update for your Windows version from the MSRC advisory. If you cannot patch immediately, disable the Windows Error Reporting Service (WerSvc) as a temporary mitigation.

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?

Ad · In-content banner

NVD description

Missing authentication for critical function in Windows Error Reporting allows an authorized attacker to perform tampering locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83715

Source: nvd.nist.gov/vuln/detail/CVE-2026-83715