CVE-2026-21262High· 8.8▾ TwilightImproper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.4 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
2.0%
Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
sql_server_2016 >= 13.0.6300.2, < 13.0.6480.4sql_server_2016 >= 13.0.7000.253, < 13.0.7075.5sql_server_2017 >= 14.0.1000.169, < 14.0.2100.4sql_server_2017 >= 14.0.3006.16, < 14.0.3520.4sql_server_2019 >= 15.0.2000.5, < 15.0.2160.4sql_server_2019 >= 15.0.4003.23, < 15.0.4460.4sql_server_2022 >= 16.0.1000.6, < 16.0.1170.5sql_server_2022 >= 16.0.4003.1, < 16.0.4240.4sql_server_2025 >= 17.0.1000.7, < 17.0.1105.2sql_server_2025 >= 17.0.4006.2, < 17.0.4020.2Upgrade past the affected range:
sql_server_2016 13.0.7075.5sql_server_2017 14.0.3520.4sql_server_2019 15.0.4460.4sql_server_2022 16.0.4240.4sql_server_2025 17.0.4020.2Connected by shared product, vendor, weakness, or advisory.
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