CVE-2026-47297
HighCVSS 8.1Exploitation Probability (EPSS)
Elevated risk56th percentile - higher than 56% of all known CVEs
Summary
Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
Risk Assessment
A remote unauthenticated attacker could execute arbitrary code on the SQL server, potentially leading to full compromise of the database and system.
Recommendation
Apply the latest security updates for SQL Server.
Other vulnerabilities in SQL Server
See all- CVE-2026-67636Critical
An out-of-bounds read in SQL Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-67378Critical
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.
- CVE-2026-54117Critical
A vulnerability in SQL Server allows an unauthorized attacker to execute code over a network through deserialization of untrusted data.
- CVE-2026-78456High
Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.
- CVE-2026-77488Medium
Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.
- CVE-2026-77487High
SQL Server has improper access control that allows an authorized attacker to elevate privileges over a network.
- CVE-2026-77486High
SQL Server has an integer overflow or wraparound vulnerability that allows an unauthorized attacker to execute code over a network.
- CVE-2026-77485High
SQL Server has a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Deserialization of untrusted data in SQL Server allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

