CVSS 5.9 (medium) · published 2026-10-13
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Affected products (NVD): microsoft windows_11_23h2, microsoft windows_11_24h2, microsoft windows_11_25h2, microsoft windows_11_26h1, microsoft windows_11_26h2, microsoft windows_server_2022, microsoft windows_server_2025, microsoft native.quic.msquic.schannel, microsoft visual_studio_2022, microsoft visual_studio_2026
Fixed in (NVD): 10.0.22631.7652, 10.0.26100.9711, 10.0.26200.9711, 10.0.28000.3231, 10.0.26300.9711, 10.0.20348.5761, 10.0.26100.33650, 2.6.2, 17.14.42, 18.10.4
Weakness: CWE-416
Source: NVD CVE-2026-85790
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