7.1

CVE-2013-3876: microsoft windows_7 Improper Input Validation

CVSS: 7.1v2.0HighModified
Published 16-11-2013Last modified 16-09-2024

Vulnerability summary

CVE-2013-3876 is a high (CVSS 7.1) Improper Input Validation vulnerability in microsoft windows_7. EPSS estimates a 4.76% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v2.0 (NVD)
EPSS score
4.76%
0%100%
Low · -0.45 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-11-2013
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

DirectAccess in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly verify server X.509 certificates, which allows man-in-the-middle attackers to spoof servers and read encrypted domain credentials via a crafted certificate.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.76%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

-0.45 pp

From 5.22% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.76%

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

1 vendor · 10 products

References

1 links