CVE-2026-58616Medium· 4.4▾ SunlitConcurrent execution using shared resource with improper synchronization ('race condition') in Copilot Chat (Microsoft Edge) allows an authorized attacker to disclose information over a network.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 24.2 · likelihood 0 · 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
0.2%
Last analysed / modified upstream
Concurrent execution using shared resource with improper synchronization ('race condition') in Copilot Chat (Microsoft Edge) allows an authorized attacker to disclose information 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.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-85892High· 7.8Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.
CVE-2026-55945Medium· 4.2Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.
CVE-2026-88097High· 8.1Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally.
CVE-2026-85893High· 8.8Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-69486High· 8.8Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-70341High· 8.5Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.