8.8

CVE-2026-21262: microsoft microsoft sql server 2016 service pack 3 azure connect feature pack Improper Access Control

CVSS: 8.8v3.1HighAnalyzed
Published 10-03-2026Last modified 19-06-2026
Open JSON

Vulnerability summary

CVE-2026-21262 is a high (CVSS 8.8) Improper Access Control vulnerability in microsoft microsoft sql server 2016 service pack 3 azure connect feature pack. EPSS estimates a 2.08% chance of exploitation in the next 30 days, higher than 81.2% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
2.08%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-03-2026
    PublishedVulnerability first disclosed.
  2. 19-06-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

2.08%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.04 pp

From 2.04% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft15 products

1 vendor · 15 products

References

1 links