CVE-2026-20803High· 7.2▾ TwilightMissing authentication for critical function 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 39.6 · likelihood 0.3 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 31.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
1.2%
1.2% → 1.3%
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
sql_server_2022 >= 16.0.1000.6, < 16.0.1165.1sql_server_2022 >= 16.0.4003.1, < 16.0.4230.2sql_server_2025 = 17.0.1000.7Upgrade past the affected range:
sql_server_2022 16.0.4230.2Connected by shared product, vendor, weakness, or advisory.
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