How severe is CVE-2014-1809?

CVE-2014-1809 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2014-1809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-1809?

CVE-2014-1809 primarily affects Microsoft Office. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-1809?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-1809 published?

CVE-2014-1809 was published on 2014-05-14 and last updated on 2026-06-17.

CVE-2014-1809

CVE-2014-1809 is a medium-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 6.8. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Microsoft Office
Published: 2014-05-14
Last modified: 2026-06-17

Description

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."

Frequently asked questions

What is CVE-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."
How severe is CVE-2014-1809?: CVE-2014-1809 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2014-1809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-1809?: CVE-2014-1809 primarily affects Microsoft Office. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-1809?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-1809 published?: CVE-2014-1809 was published on 2014-05-14 and last updated on 2026-06-17.

References

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-024

Affected products (7)

cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2010:sp1:x64:*:*:*:*:*
cpe:2.3:a:microsoft:office:2010:sp1:x86:*:*:*:*:*
cpe:2.3:a:microsoft:office:2010:sp2:x64:*:*:*:*:*
cpe:2.3:a:microsoft:office:2010:sp2:x86:*:*:*:*:*
cpe:2.3:a:microsoft:office:2013:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:*:*

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