CVE-2026-40422
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk22th percentile - higher than 22% of all known CVEs
Summary
Use of uninitialized resource in Windows File Explorer allows an authorized attacker to disclose information locally.
Risk Assessment
The risk involves potential leakage of memory data by an authorized user while using File Explorer.
Recommendation
Install the latest security updates from Microsoft.
Other vulnerabilities in Windows File Explorer
See all- CVE-2026-57084Medium
A vulnerability in Windows File Explorer involves the use of an uninitialized resource. An unauthorized attacker can disclose information locally.
- CVE-2026-50473Medium
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
- CVE-2026-50456Medium
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
- CVE-2026-50442Medium
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
- CVE-2026-50389Medium
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
- CVE-2026-41087Medium
A vulnerability in Windows File Explorer allows an authorized attacker to disclose sensitive information locally. The issue stems from improper access control to data.
- CVE-2026-33842Medium
A vulnerability in Windows File Explorer allows an authorized attacker to disclose sensitive information locally.
- CVE-2026-20939Medium
An exposure of sensitive information vulnerability in Windows File Explorer allows an authorized attacker to disclose information locally.
- CVE-2026-20937Medium
An exposure of sensitive information vulnerability in Windows File Explorer allows an authorized attacker to disclose information locally.
- CVE-2026-20932Medium
An exposure of sensitive information in Windows File Explorer allows an authorized attacker to disclose information locally.
Original NVD description (English source)
Use of uninitialized resource in Windows File Explorer allows an authorized attacker to disclose information locally.