CVE-2026-58291: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
Other sources
Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150.0.4078.48
Event History
Frequently Asked Questions
What is the severity of CVE-2026-58291?
The severity of CVE-2026-58291 is rated as medium, with a score of 6.1.
What does CVE-2026-58291 affect?
CVE-2026-58291 affects the Microsoft Edge (Chromium-based) browser.
How do I fix CVE-2026-58291?
To fix CVE-2026-58291, ensure that your Microsoft Edge (Chromium-based) browser is updated to the latest version.
What type of vulnerability is CVE-2026-58291?
CVE-2026-58291 is classified as an information disclosure vulnerability.
Who can exploit CVE-2026-58291?
An unauthorized attacker can potentially exploit CVE-2026-58291 to disclose information over a network.