CVE-2026-21262NVD

Vulnerability Summary

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

Severity Level

HIGH(8.8)

Published Date

Mar 10, 2026

Last Modified

Jul 10, 2026

Exploitation Status

ACTIVE

EPSS Score (30-Day)

2.04%Probability

Root Weakness (CWE)

CWE-284: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 8.8 (HIGH)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Microsoft Sql Server 2016 >= 13.0.6300.2 and < 13.0.6480.4
Microsoft Sql Server 2016 >= 13.0.7000.253 and < 13.0.7075.5
Microsoft Sql Server 2017 >= 14.0.1000.169 and < 14.0.2100.4
Microsoft Sql Server 2017 >= 14.0.3006.16 and < 14.0.3520.4
Microsoft Sql Server 2019 >= 15.0.2000.5 and < 15.0.2160.4
Microsoft Sql Server 2019 >= 15.0.4003.23 and < 15.0.4460.4
Microsoft Sql Server 2022 >= 16.0.1000.6 and < 16.0.1170.5
Microsoft Sql Server 2022 >= 16.0.4003.1 and < 16.0.4240.4
Microsoft Sql Server 2025 >= 17.0.1000.7 and < 17.0.1105.2
Microsoft Sql Server 2025 >= 17.0.4006.2 and < 17.0.4020.2

Patched Versions

Microsoft Sql Server 2016 13.0.6480.4
Microsoft Sql Server 2016 13.0.7075.5
Microsoft Sql Server 2017 14.0.2100.4
Microsoft Sql Server 2017 14.0.3520.4
Microsoft Sql Server 2019 15.0.2160.4
Microsoft Sql Server 2019 15.0.4460.4
Microsoft Sql Server 2022 16.0.1170.5
Microsoft Sql Server 2022 16.0.4240.4
Microsoft Sql Server 2025 17.0.1105.2
Microsoft Sql Server 2025 17.0.4020.2

🎁7-Day Free Trial — Try Pro or Team, no card required.

📧Email Delivery — Threat intel straight to your inbox.

♾️Unlimited Vendors — Track your entire stack.

🚨All New CVEs — Be the first to know.

📈EPSS Spike Alerts — Catch rising risk before it peaks.

🎯Custom EPSS/CVSS — Filter noise, focus on risk.

🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.

🐙GitHub Issues — Auto-tracked, no duplicates.

📬Weekly Digest — One clean summary, not inbox spam.

🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).

💬Webhooks — Slack & Teams integration.

🔀Smart Routing — Critical alerts to one channel, rest to another.

🚫Ad-Free — Uninterrupted experience.