CVE-2026-78456High· 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 0.2 · 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
0.9%
Last analysed / modified upstream
0.9% → 0.9%
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
sql_server_2022 < 16.0.1200.5sql_server_2022 >= 16.0.4003.1, < 16.0.4275.2Upgrade past the affected range:
sql_server_2022 16.0.4275.2Connected by shared product, vendor, weakness, or advisory.
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CVE-2026-83998High· 8.8Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.