CVE-2026-83860

7.5High

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

7.5High

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Impact: High impact on availability
Weakness: CWE-121

Impact

Remote, unauthenticated attackers can crash systems over the network by causing a denial of service in Windows GDI. They do not need credentials or user interaction.

Root cause

A stack-based buffer overflow flaw exists within the Windows Graphics Device Interface (GDI) processing component.

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:N/I:N/A:H

Fix & remediation

Install the corresponding Microsoft security update from the MSRC advisory; no specific interim configuration workarounds are provided.

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

Ad · In-content banner

NVD description

Stack-based buffer overflow in Windows GDI allows an unauthorized attacker to deny service over a network.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83860

Source: nvd.nist.gov/vuln/detail/CVE-2026-83860