CVE-2026-67626: microsoft microsoft sql server 2022 for x64-based systems (cu27) Uncontrolled Resource Consumption
CVSS: 6.5v3.1MediumAwaiting analysis
Published 13-10-2026Last modified 19-10-2026
Vulnerability summary
CVE-2026-67626 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in microsoft microsoft sql server 2022 for x64-based systems (cu27). EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.59%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.59%
Chance of exploitation in the next 30 days
Percentile
47%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
14-10-202619-10-2026
EPSS score0.59%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- microsoft sql server 2022 for x64-based systems (cu27)≥ 16.0.4003.1, < 16.0.4305.5
- microsoft sql server 2022 (gdr)≥ 16.0.0, < 16.0.1210.3
- microsoft sql server 2025 for x64-based systems (cu9)≥ 17.0.4006.2, < 17.0.5015.4
- microsoft sql server 2025 for x64-based systems (gdr)≥ 17.0.1050.2, < 17.0.1145.4
1 vendor · 4 products