CVE-2026-40410
HighSummary
Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with appropriate permissions can gain higher privileges on the system, potentially leading to serious security breaches.
Recommendation
It is recommended to update Windows to the latest version to mitigate this vulnerability.
Other vulnerabilities in Windows SMB Client
See all- CVE-2026-83789High
Heap-based buffer overflow in Windows SMB Client allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-72936High
Use after free in Windows SMB Client allows an unauthorized attacker to execute code over a network.
- CVE-2026-69618Medium
An out-of-bounds read vulnerability in Windows SMB Client allows an authorized attacker to disclose information locally.
- CVE-2026-69572Medium
An out-of-bounds read vulnerability in Windows SMB Client allows an authorized attacker to disclose information over a network.
- CVE-2026-69544High
Heap-based buffer overflow in Windows SMB Client allows an authorized attacker to elevate privileges locally.
- CVE-2026-65794Medium
A buffer over-read in Windows SMB Client allows an unauthorized attacker to disclose information over a network.
- CVE-2026-62799High
Heap-based buffer overflow in Windows SMB Client allows an authorized attacker to elevate privileges locally.
- CVE-2026-62782Medium
An out-of-bounds read in Windows SMB Client allows an unauthorized attacker to disclose information over a network.
Original NVD description (English source)
Use after free in Windows SMB Client allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

