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.
CVE-2026-96951
CVSS base score
8.8 (v3.1)
Severity
HIGH
Attack vector
Network
Weakness
CWE-77
Last modified
October 29, 2026
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
microsoft outlook web
microsoft windows 10 1607
microsoft windows 10 1809
microsoft windows 10 21h2
microsoft windows 10 22h2
microsoft windows 11 23h2
microsoft windows 11 24h2
microsoft windows 11 25h2
microsoft windows 11 26h1
microsoft windows 11 26h2
References
- msrc.microsoft.com Patch, Vendor Advisory
- www.cisa.gov US Government Resource