Integer overflow in Windows and Windows Server - CVE-2026-49168
Published: July 15, 2026
Vulnerability identifier: #VU137693
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-49168
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local attacker to escalate privileges on the target system.
The vulnerability exists due to integer overflow in Storage Spaces Direct. An attacker with physical access can pass specially crafted data to the application, trigger integer overflow and gain elevated privileges on the system.
How to mitigate CVE-2026-49168
Install updates from vendor's website.