CVE-2026-66798Medium· 4.3▾ SunlitUse after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 23.7 · likelihood 0.2 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.6%
0.6% → 0.8%
4.3 → 8.8
medium → high
8.8 → 4.3
high → medium
Last analysed / modified upstream
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
edge_chromium-based -edge_for_android >= 1.0.0.0 < 152.0.4191.52edge_for_ios >= 1.0.0.0 < 152.0.4191.52edge_for_linux >= 1.0.0 < 152.0.4191.52edge_for_mac >= 1.0.0.0 < 152.0.4191.52edge_for_windows >= 1.0.0.0 < 152.0.4191.52Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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