CVE-2026-50346
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk20th percentile - higher than 20% of all known CVEs
Summary
Improper authorization in RPC Runtime allows an authorized attacker to elevate privileges locally.
Risk Assessment
An authorized user could exploit this vulnerability to gain higher privileges, potentially compromising system integrity.
Recommendation
Install the security update for RPC Runtime from Microsoft.
Other vulnerabilities in RPC Runtime
See all- CVE-2026-83910Critical
Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute code over a network.
- CVE-2026-69819Critical
Out-of-bounds write in RPC Runtime allows an unauthorized attacker to execute code remotely over a network.
- CVE-2026-88219High
Untrusted pointer dereference in RPC Runtime allows an unauthorized attacker to execute code over a network.
- CVE-2026-83908High
Release of invalid pointer or reference in RPC Runtime allows an authorized attacker to elevate privileges locally.
- CVE-2026-83518High
Heap-based buffer overflow in RPC Runtime allows an authorized attacker to elevate privileges locally.
- CVE-2026-83515Medium
A use of uninitialized resource vulnerability exists in RPC Runtime. An unauthorized attacker can exploit this to disclose information over a network.
- CVE-2026-102203High
Access of resource using incompatible type ('type confusion') in RPC Runtime allows an unauthorized attacker to execute code over a network.
- CVE-2026-62781High
Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a network.
Original NVD description (English source)
Improper authorization in RPC Runtime allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS