Medium severity6.1NVD Advisory· Published Jul 3, 2026· Updated Jul 6, 2026

CVE-2026-58291

Description

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

Affected products

Microsoft/Edgechromium
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:*
Range: <150.0.4078.48
Microsoft/Edge (Chromium-based)llm-fuzzy

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58291nvdVendor Advisory

News mentions

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cvss	0.397
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000