CVE-2026-83844 Windows Paint Remote Code Execution Vulnerability
An out-of-bounds read in Windows Paint allows remote attackers to execute arbitrary code over the network.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83844?
CVE-2026-83844 is a high-severity memory corruption vulnerability in Microsoft Paint, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code over a network.
Weakness: CWE-125
Which versions are affected by CVE-2026-83844?
How do I fix CVE-2026-83844?
No fix has been published for CVE-2026-83844 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-83844 being exploited?
There is no known exploitation of CVE-2026-83844 in the wild and no public exploit code.
Sources
Also known as GHSA-2h2h-j632-qrgj.