Vulnerabilities

Vulnerability · CVE-2014-1809

MSCOMCTL ASLR Vulnerability

Published May 14, 2014 · catalog updated May 14, 2014 · Microsoft Office

Patch now

CVE-2014-1809 is in the CISA known-exploited catalog. Confirm Microsoft Office 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
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
10.12%
Remediation
Remediation guidance
Affected products
vendor Microsoft Office

The MSCOMCTL library in Microsoft Office 2007 SP3, 2010 SP1 and SP2, and 2013 Gold, SP1, RT, and RT SP1 makes it easier for remote attackers to bypass the ASLR protection mechanism via a crafted web site, as exploited in the wild in May 2014, aka "MSCOMCTL ASLR 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.

  • vendor Microsoft Officeversion unspecified

How to fix CVE-2014-1809

What to do

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

Should you patch?

CVE-2014-1809 is in the CISA known-exploited catalog. Confirm Microsoft Office against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 10.12%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

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. May 14, 2014 · VulnCheck KEV

    Detected

    The MSCOMCTL library in Microsoft Office 2007 SP3, 2010 SP1 and SP2, and 2013 Gold, SP1, RT, and RT SP1 makes it easier for remote attackers to bypass the ASLR protection mechanism via a crafted web site, as exploited in the wild in May 2014, aka "MSCOMCTL ASLR Vulnerability."

  2. May 14, 2014 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2014-1809

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2014-1809

    30-day exploitation probability 10.1%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2014-1809

    The MSCOMCTL library in Microsoft Office 2007 SP3, 2010 SP1 and SP2, and 2013 Gold, SP1, RT, and RT SP1 makes it easier for remote attackers to bypass the ASLR protection mechanism via a crafted web site, as exploited in the wild in May 2014, aka "MSCOMCTL ASLR Vulnerability."

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.