Is CVE-2013-3876 being actively exploited?

CVE-2013-3876 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-3876?

CVE-2013-3876 has a CVSS 2.0 base score of 7.1 (HIGH).

CVE-2013-3876

HIGH · CVSS 7.1EPSS 4.8%EU EUVD

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.

Key facts

CVSS score: 7.1 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:N/A:N
Weakness (CWE): CWE-20
EPSS score: 4.8% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-3808)
Published: November 18, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-3808 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / windows 7
microsoft / windows 8
microsoft / windows 8.1
microsoft / windows rt
microsoft / windows rt 8.1
microsoft / windows server 2003
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2008
microsoft / windows server 2012
microsoft / windows server 2012
microsoft / windows vista
microsoft / windows vista
microsoft / windows xp
microsoft / windows xp

Certified products that may be affected

19 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Microsoft Windows 8 and Windows RT - Microsoft Corporation - Common Criteria CCEVS-VR-VID-10620-2015 - archived
Windows 7 BitLocker™ Drive Encryption - Microsoft Corporation - FIPS 140 1332 - historical
Microsoft Windows 7 Kernel Mode Cryptographic Primitives Library (cng.sys) - Microsoft Corporation - FIPS 140 1328 - historical
Microsoft Windows Vista Kernel Mode Security Support Provider Interface (ksecdd.sys) - Microsoft Corporation - FIPS 140 1000 - historical
Microsoft Windows Vista Cryptographic Primitives Library (bcrypt.dll) - Microsoft Corporation - FIPS 140 1001 - historical

See all 19 in the Security Certifications Explorer.

References

http://technet.microsoft.com/security/advisory/2862152(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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