CVE-2026-67388High· 8.8▾ TwilightHeap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · 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 Sep 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.5%
Last analysed / modified upstream
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
sql_server_2017 < 14.0.2130.4sql_server_2017 >= 14.0.3006.16, < 14.0.3550.4sql_server_2019 < 15.0.2190.7sql_server_2019 >= 15.0.4003.23, < 15.0.4490.9sql_server_2022 < 16.0.1200.5sql_server_2022 >= 16.0.4003.1, < 16.0.4275.2sql_server_2025 < 17.0.1135.8sql_server_2025 >= 17.0.4006.2, < 17.0.4085.5Upgrade past the affected range:
sql_server_2017 14.0.3550.4sql_server_2019 15.0.4490.9sql_server_2022 16.0.4275.2sql_server_2025 17.0.4085.5Connected by shared product, vendor, weakness, or advisory.
CVE-2026-77481High· 8.8Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-77482High· 8.8Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-77486High· 8.8Integer overflow or wraparound in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-67631Critical· 9.8Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
CVE-2026-67639High· 8.8Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
CVE-2026-68775High· 8.8Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.