Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
Fix
Microsoft's update · Important
- Release Notes — Microsoft Edge (Chromium-based) · build 154.0.4258.48
From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-29 · Exploitation Less Likely.
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 4
- StatusAwaiting Analysis → PublishedNVD modified 2026-10-27 21:24
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-27 21:31
- CVSS8.8 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C) → 8.8 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)NVD modified 2026-10-27 21:31
- First seenCVSS 8.8 · microsoftNVD modified 2026-10-27 20:37
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.