CVE-2026-96951 Microsoft Windows Command Injection
An attacker can bypass security features in Windows Shell via command injection, affecting Windows OS and Outlook.com users.
- Exploited in the wild
- Since 13 Oct 2026
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-96951?
CVE-2026-96951 is a high-severity vulnerability in Microsoft Windows 10 1607, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
Weakness: CWE-77
Which versions are affected by CVE-2026-96951?
It affects 15 products.
Products include Microsoft Outlook Web, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2 and 9 more.
How do I fix CVE-2026-96951?
No fix has been published for CVE-2026-96951 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 16 Oct 2026.
Is CVE-2026-96951 being exploited?
Yes. Attackers have exploited CVE-2026-96951 in the wild since at least 13 Oct 2026.
Sources
Also known as GHSA-hjr5-mppg-mjq7.