CVE-2026-85876
HighCVSS 7.0Summary
A use-after-free vulnerability in SQL Server allows an authorized attacker to elevate privileges locally.
Risk Assessment
A local attacker could gain elevated privileges, potentially leading to unauthorized access to data and the system.
Recommendation
Apply security updates and restrict local system access to trusted users only.
Other vulnerabilities in SQL Server
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Stack-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
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An out-of-bounds read vulnerability in SQL Server allows an authorized attacker to disclose information over a network.
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A heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
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Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges over a network.
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Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
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Deserialization of untrusted data in SQL Server allows an authorized attacker to execute code over a network.
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An out-of-bounds read in SQL Server allows an unauthorized attacker to execute code over a network.
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An untrusted pointer dereference in SQL Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-65669Critical
Improper neutralization of special elements in output used by a downstream component ('injection') in SQL Server allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-54118Critical
A vulnerability in SQL Server allows an unauthorized attacker to execute code over a network through deserialization of untrusted data.
Original NVD description (English source)
Use after free in SQL Server allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS