CVE-2026-69963
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk22th percentile - higher than 22% of all known CVEs
Summary
Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally. The flaw requires local access to the system.
Risk Assessment
Code execution in a higher-privileged context is possible, potentially allowing an attacker to fully compromise the system.
Recommendation
Immediately install security patches for the Microsoft Streaming Service and monitor for unusual local user activity.
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-2026-69966High
An integer overflow or wraparound 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-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)
Heap-based buffer overflow in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS