Is CVE-2011-4434 being actively exploited?

CVE-2011-4434 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4434?

CVE-2011-4434 has a CVSS 2.0 base score of 3.6 (LOW).

CVE-2011-4434

LOW · CVSS 3.6EPSS 1.8%EU EUVD

Microsoft Windows Server 2008 R2 and R2 SP1 and Windows 7 Gold and SP1 do not properly enforce AppLocker rules, which allows local users to bypass intended access restrictions via a (1) macro or (2) scripting feature in an application, as demonstrated by Microsoft Office applications and the SANDBOX_INERT and LOAD_IGNORE_CODE_AUTHZ_LEVEL flags.

Key facts

CVSS score: 3.6 (v2.0)
Severity: LOW
CVSS vector: AV:L/AC:L/Au:N/C:N/I:P/A:P
Weakness (CWE): CWE-264
EPSS score: 1.8% (79th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4363)
Published: November 11, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4363 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 7
microsoft / windows 7
microsoft / windows 7
microsoft / windows server 2008
microsoft / windows server 2008

Certified products that may be affected

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

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
Microsoft Windows XP Kernel Mode Cryptographic Module (FIPS.SYS) - Microsoft Corporation - FIPS 140 997 - historical

See all 7 in the Security Certifications Explorer.

References

http://support.microsoft.com/kb/2532445

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

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