9

CVE-2026-67636: microsoft microsoft sql server 2019 (cu 32) Out-of-bounds Read

CVSS: 9.0v3.1CriticalModified
Published 08-09-2026Last modified 14-10-2026
Open JSON

Vulnerability summary

CVE-2026-67636 is a critical (CVSS 9.0) Out-of-bounds Read vulnerability in microsoft microsoft sql server 2019 (cu 32). EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 52.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.71%
0%100%
Low · +0.20 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-09-2026
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

Description

Out-of-bounds read in SQL Server allows an unauthorized attacker to execute code over a network.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.71%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

+0.20 pp

From 0.51% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.71%

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

Microsoft9 products

1 vendor · 9 products

References

1 links