CVE-2026-69966
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk22th percentile - higher than 22% of all known CVEs
Summary
An integer overflow or wraparound in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with valid credentials could locally elevate their privileges, potentially leading to full system compromise.
Recommendation
Apply the vendor security update as soon as possible and restrict local access to trusted users.
Other vulnerabilities in Microsoft Streaming Service
See all- CVE-2024-30089High
A vulnerability in Microsoft Streaming Service allows elevation of privilege. The flaw can be exploited by a local attacker to gain higher privileges on the system.
- CVE-2023-29360HighActively exploited
Microsoft Streaming Service Elevation of Privilege Vulnerability.
- CVE-2026-69970High
A heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-69964High
Use after free in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally. Exploitation requires local access to the system.
- CVE-2026-69963High
Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally. The flaw requires local access to the system.
- CVE-2024-30090High
A vulnerability in Microsoft Streaming Service allows elevation of privilege. An attacker could exploit this flaw to gain higher privileges on the system.
Original NVD description (English source)
Integer overflow or wraparound in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS