by Kastro
Paper/Archive/CVE-2026-58289

CVE-2026-58289

Microsoft Microsoft Edge (Chromium-based) — Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

EPSS 2%CVSS 9.0
critical.is priorityof 100
43
CVSS 9.0 (CNA)9.0 / 10 × 3027.0Not in CISA KEV+300.0EPSS percentile 80.6.806 × 2016.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
Microsoft Edge (Chromium-based)1.0.0.0 – < 150.0.4078.48150.0.4078.48CNA

Scores by source

microsoft (CNA)9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2026-58289