CVE-2026-88162
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk20th percentile - higher than 20% of all known CVEs
Summary
Improper authorization in Windows Encrypting File System (EFS) allows an authorized attacker to perform tampering locally.
Risk Assessment
An attacker with valid credentials can locally modify protected files, compromising their integrity and confidentiality.
Recommendation
Apply the latest Windows security updates and restrict local access to authorized users.
Other vulnerabilities in Windows Encrypting File System (EFS)
See all- CVE-2026-85791High
Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-83784High
An absolute path traversal vulnerability in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over a network.
- CVE-2026-83759High
Improper control of generation of code ('code injection') in Windows Encrypting File System (EFS) allows an authorized attacker to execute code over a network.
- CVE-2026-83683Medium
Absolute path traversal in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information over a network.
- CVE-2026-83565Medium
A buffer over-read vulnerability exists in Windows Encrypting File System (EFS). An authorized attacker can exploit this to disclose information locally.
- CVE-2026-69841High
Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-69794Medium
A buffer over-read vulnerability in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information locally.
Original NVD description (English source)
Improper authorization in Windows Encrypting File System (EFS) allows an authorized attacker to perform tampering locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

