Threat Intelligence / CVE / CVE-2026-21262

CVE-2026-21262

CVSS 8.8 (HIGH) · EPSS 0.2% · Priority 5.8/10 · Published 2026-03-10

As of 2026-03-13, CVE-2026-21262 is a CVSS 8.8 (HIGH-severity) vulnerability. EPSS exploitation probability 0.2%. Threadlinqs Intelligence tracks 2 threats exploiting it.

Last updated: 2026-03-13

Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-284

Threats tracking this CVE

CVE-2026-21262: Microsoft SQL Server Elevation of Privilege via Improper Access Control in Merge Replication — HIGH
Microsoft Office RCE via Preview Pane (CVE-2026-26110, CVE-2026-26113) — March 2026 Patch Tuesday — CRITICAL

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21262

Full detection coverage & IOCs for threats exploiting CVE-2026-21262 are available via the Threadlinqs MCP server (Purple tier). View plans →

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Enriched from CVE.org, NVD (this product uses the NVD API but is not endorsed or certified by the NVD), FIRST EPSS, CISA KEV, and GitHub Security Advisories.