5.3

CVE-2026-88086: microsoft microsoft sql server 2019 for x64-based systems (cu32) Out-of-bounds Read

CVSS: 5.3v3.1MediumAwaiting analysis
Published 13-10-2026Last modified 16-10-2026
Open JSON

Vulnerability summary

CVE-2026-88086 is a medium (CVSS 5.3) Out-of-bounds Read vulnerability in microsoft microsoft sql server 2019 for x64-based systems (cu32). EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.6% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-10-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

14-10-202619-10-2026
EPSS score
0.27%

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

Microsoft7 products

1 vendor · 7 products

References

1 links