Critical severity9.0NVD Advisory· Published Jul 3, 2026· Updated Jul 7, 2026

CVE-2026-58289

Description

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Affected products

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

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58289nvdVendor Advisory

News mentions

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cvss	0.585
epss	0.002
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000