CVE-2026-58291
MediumCVSS 6.1Exploitation Probability (EPSS)
Low risk44th percentile — higher than 44% of all known CVEs
Summary
A vulnerability in Microsoft Edge (Chromium-based) involves an operation on a resource after expiration or release. It allows an unauthorized attacker to disclose information over a network.
Risk Assessment
The risk involves potential leakage of sensitive organizational data that could be intercepted remotely by an attacker. This may lead to a breach of data confidentiality and integrity.
Recommendation
It is recommended to immediately update Microsoft Edge to the latest version available from the vendor. Also monitor Microsoft security advisories for patches.
Original NVD description (English source)
Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

