CVE-2026-21262: SQL Server Zero-Day Fixed in Microsoft’s March Patch Tuesday Release
ID: 0ef093a4-a4b1-5fb3-8f3e-7b4149509aa6
STIX ID: report--0ef093a4-a4b1-5fb3-8f3e-7b4149509aa6
Feed Name: SOC Prime Blog
Threat Score
Microsoft’s March 2026 Patch Tuesday patched CVE-2026-21262, a publicly disclosed high-severity (CVSS 8.8) SQL Server elevation-of-privilege vulnerability that could allow an authenticated low-privileged account with network access to escalate to SQL sysadmin; organizations are advised to install the matching March 10 GDR/CU security update for their servicing path and to review SQL logins, privileges, network exposure, and secrets management to mitigate risk.
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