CVE-2026-83518
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk32th percentile - higher than 32% of all known CVEs
Summary
Heap-based buffer overflow in RPC Runtime allows an authorized attacker to elevate privileges locally.
Risk Assessment
An authorized user could gain administrator privileges, leading to full system control.
Recommendation
Install security patches for RPC Runtime and restrict access to RPC services.
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-2026-83515Medium
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.
- CVE-2026-50346High
Improper authorization in RPC Runtime allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Heap-based buffer overflow in RPC Runtime allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS