CVE-2026-20843
HighCVSS 7.8Exploitation Probability (EPSS)
High risk87th percentile - higher than 87% of all known CVEs
Summary
Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
Risk Assessment
An authorized attacker can elevate their privileges on the system, potentially leading to full system control.
Recommendation
Install the latest Windows security updates from Microsoft.
Other vulnerabilities in Windows Routing and Remote Access Service (RRAS)
See all- CVE-2023-35367Critical
A vulnerability in the Windows Routing and Remote Access Service (RRAS) allows for remote code execution. An attacker can exploit this flaw to gain control over the system.
- CVE-2023-35366Critical
A vulnerability in the Windows Routing and Remote Access Service (RRAS) allows for remote code execution. An attacker can exploit this flaw to gain control over the system.
- CVE-2023-35365Critical
A vulnerability in the Windows Routing and Remote Access Service (RRAS) allows for remote code execution. An attacker can exploit this flaw to gain control over the system.
- CVE-2026-49791High
Improper link resolution before file access ('link following') in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Improper access control in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.