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Vulnerabilities

Vulnerability · CVE-2014-4148

Microsoft Windows Remote Code Execution Vulnerability

Published Oct 14, 2014 · catalog updated Jun 16, 2026 · Microsoft Windows

Patch now

CVE-2014-4148 is in the CISA known-exploited catalog, due Jun 15, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
59.85%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 7 · cpe microsoft/windows 8 · cpe microsoft/windows 8.1 · cpe microsoft/windows rt · cpe microsoft/windows rt 8.1 · cpe microsoft/windows server 2003

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista 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 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka "TrueType Font Parsing Remote Code Execution Vulnerability."

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 7version unspecified
  • cpe microsoft/windows 8version unspecified
  • cpe microsoft/windows 8.1version unspecified
  • cpe microsoft/windows rtversion unspecified
  • cpe microsoft/windows rt 8.1version unspecified
  • cpe microsoft/windows server 2003version unspecified
  • cpe microsoft/windows server 2008r2
  • vendor Microsoft Windowsversion unspecified
  • vendor n/a n/aversion unspecified

How to fix CVE-2014-4148

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2014-4148 is in the CISA known-exploited catalog, due Jun 15, 2022. Confirm Microsoft Windows against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with microsoft/windows server 2008 r2. Apply updates per vendor instructions.

What should an analyst verify?

CWE-94: Code Injection. EPSS 59.85%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 15, 2014 · Catalog

    Detected

    win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista 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 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka "TrueType Font Parsing Remote Code Execution

  2. May 25, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jun 15, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista 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 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka "TrueType Font Parsing Remote Code Execution

Sources

  • CISA KEVConfirmed exploitationCVE-2014-4148

    A remote code execution vulnerability exists when the Windows kernel-mode driver improperly handles TrueType fonts.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2014-4148

    win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista 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 allows remote attackers to execute arbitrary code

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2014-4148

    30-day exploitation probability 59.9%

    first.org
  • NIST NVDVulnerability recordCVE-2014-4148

    win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista 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 allows remote attackers to execute arbitrary code

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2014-4148

    A remote code execution vulnerability exists when the Windows kernel-mode driver improperly handles TrueType fonts.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.