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Microsoft SQL Server Zero-Day Exposes Privilege Escalation Risk for Users

ID: 4a445966-ba71-524e-92c0-89f34c0f6db5

STIX ID: report--4a445966-ba71-524e-92c0-89f34c0f6db5

Feed Name: GBHackers

Threat Score
75/100

Date Published: 2026-03-11

Date Updated: 2026-04-22

Author: Divya

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Microsoft disclosed CVE-2026-21262, a critical SQL Server elevation-of-privilege vulnerability (CWE-284) with CVSS 3.1 = 8.8; it is network-exploitable with low complexity and no user interaction required, can severely impact confidentiality, integrity, and availability of databases, and organizations are urged to apply Microsoft’s fix and harden access controls while monitoring for exploitation.

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