CVE-2026-83507
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk37th percentile - higher than 37% of all known CVEs
Summary
A link following vulnerability exists in Windows Update Orchestrator Service, involving improper link resolution before file access. An authorized attacker can exploit this to disclose information locally.
Risk Assessment
An attacker could access confidential files by manipulating links, potentially leading to information leakage from the system.
Recommendation
Apply updates for Windows Update Orchestrator Service and restrict permissions for creating links in the system.
Other vulnerabilities in Windows Update Orchestrator Service
See all- CVE-2026-97812High
Double free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-83933Medium
Improper link resolution before file access ('link following') in the Windows Update Orchestrator Service allows an authorized attacker to disclose information locally.
- CVE-2026-83930High
Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-83886High
Use after free in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-83793High
Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-81964Medium
Use of hard-coded credentials in Windows Update Orchestrator Service allows an authorized attacker to bypass a security feature locally.
Original NVD description (English source)
Improper link resolution before file access ('link following') in Windows Update Orchestrator Service allows an authorized attacker to disclose information locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS