CVE-2026-58291
Microsoft Edge (Chromium-based) Information Disclosure vulnerability
Microsoft·Microsoft Edge (Chromium-based) Information Disclosure
MSRC advisory July 3, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-58291
- Affected products
- Microsoft Edge (Chromium-based) Information Disclosure · Microsoft Microsoft Edge (Chromium-based) Information Disclosure · Microsoft
What happened
Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
What it means for your business
Microsoft Edge (Chromium-based) Information Disclosure vulnerability (CVE-2026-58291) was added to Microsoft’s security update guidance. Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Sources
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