CVE-2026-24294
HighCVSS 7.8Exploitation Probability (EPSS)
High risk84th percentile - higher than 84% of all known CVEs
Summary
A vulnerability in Windows SMB Server due to improper authentication allows local privilege escalation. An authorized attacker can exploit this flaw to gain higher privileges on the system.
Risk Assessment
The organization faces the risk of privilege escalation by an authorized user, potentially leading to control over sensitive resources and data.
Recommendation
It is recommended to immediately apply security patches provided by Microsoft for Windows. Also, limit the number of users with access to the SMB server.
Other vulnerabilities in Windows SMB Server
See all- CVE-2026-26128High
Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
- CVE-2019-0703MediumActively exploited
An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, aka 'Windows SMB Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0704 and CVE-2019-0821.
- CVE-2026-96325High
A missing reference to an active allocated resource in Windows SMB Server allows an unauthorized attacker to deny service over a network. The flaw lies in how the SMB service manages resources.
- CVE-2026-88127High
Use after free in Windows SMB Server allows an authorized attacker to elevate privileges locally.
- CVE-2026-70133High
Allocation of resources without limits or throttling in Windows SMB Server allows an unauthorized attacker to deny service over a network.
- CVE-2026-72949High
Null pointer dereference in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to deny service over a network.
- CVE-2026-69403Medium
A missing authorization vulnerability in Windows SMB Server allows an authorized attacker to disclose information locally.
- CVE-2026-69374Medium
The vulnerability in Windows SMB Server is an allocation of resources without limits or throttling. It allows an authorized attacker to deny service over a network.
- CVE-2026-62800High
Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
- CVE-2026-62790High
Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
Original NVD description (English source)
Improper authentication in Windows SMB Server allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS