Heap-based buffer overflow 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 154.0.4258.37
From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-30 · Exploitation Less Likely.
Patch, vendor advisory and mitigation references on NVD 1
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85897 vendor-advisory, patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.8 · microsoftNVD modified 2026-10-29 15:09
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.
References 1
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85897 vendor-advisory, patch