CVE-2026-49167Medium· 4.7▾ SunlitUse after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 25.9 · likelihood 0.1 · 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.
Exploit-prediction probability, daily snapshots since Jul 17.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
0.3% → 0.4%
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
windows_10_1809 < 10.0.17763.9020windows_10_21h2 < 10.0.19044.7548windows_10_22h2 < 10.0.19045.7548windows_11_24h2 < 10.0.26100.8875windows_11_25h2 < 10.0.26200.8875windows_11_26h1 < 10.0.28000.2525windows_server_2019 < 10.0.17763.9020windows_server_2022 < 10.0.20348.5386windows_server_2025 < 10.0.26100.33158Upgrade past the affected range:
windows_10_1809 10.0.17763.9020windows_10_21h2 10.0.19044.7548windows_10_22h2 10.0.19045.7548windows_11_24h2 10.0.26100.8875windows_11_25h2 10.0.26200.8875windows_11_26h1 10.0.28000.2525windows_server_2019 10.0.17763.9020windows_server_2022 10.0.20348.5386windows_server_2025 10.0.26100.33158Connected by shared product, vendor, weakness, or advisory.
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