7.8

CVE-2023-21718: microsoft microsoft sql server 2008 r2 service pack 3 (qfe) Integer Underflow (Wrap or Wraparound)

CVSS: 7.8v3.1HighModified
Published 14-02-2023Last modified 19-08-2026

Vulnerability summary

CVE-2023-21718 is a high (CVSS 7.8) Integer Underflow (Wrap or Wraparound) vulnerability in microsoft microsoft sql server 2008 r2 service pack 3 (qfe). EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.75%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-02-2023
    PublishedVulnerability first disclosed.
  2. 19-08-2026
    Last modifiedVulnerability information updated.

Description

Microsoft ODBC Driver for SQL Server Remote Code Execution Vulnerability

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.75%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

+0.01 pp

From 0.74% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.75%

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

Microsoft14 products

1 vendor · 14 products

References

1 links