CVE-2026-83782 Windows Shell Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Shell allows remote attackers to execute arbitrary code.
- 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-2026-83782?
CVE-2026-83782 is a critical memory corruption vulnerability in Microsoft Windows 10 Version 1607, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute code over a network.
Weakness: CWE-122
Which versions are affected by CVE-2026-83782?
How do I fix CVE-2026-83782?
No fix has been published for CVE-2026-83782 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-2026-83782 being exploited?
There is no known exploitation of CVE-2026-83782 in the wild and no public exploit code.
Sources
Also known as GHSA-c72p-m9jx-q49c.