CVE-2026-83844

High CVSS 8.1

Published 2026-10-13 · last changed 2026-10-13

From our blog

Windows Paint CVE-2026-83844: the fixed build isn't in the Microsoft Store yet. Check your fleet

The fix

We hold no Microsoft remediation data for CVE-2026-83844, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code over a network.

Sources

NVD record for CVE-2026-83844

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H