CVE-2026-58291

Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Score

CVSS 3.1 6.1 Medium

Status

Analyzed - secure@microsoft.com

Published

2026-07-03

Last modified

2026-10-28

Weaknesses

CWE-672

Affected products

• Edge Chromium (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58291