CVE-2014-4114

CVE-2014-4114 is a high-severity vulnerability in Microsoft Windows 7 with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-03).

Key facts

• Severity: High (CVSS 3.x base score 7.8)
• CVSS v2: 9.3
• EPSS exploit prediction: 82% (100th percentile)
• Actively exploited: Yes — listed in CISA KEV (added 2022-03-03)
• EU (EUVD) id: EUVD-2014-4045
• EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-03)
• Affected product: Microsoft Windows 7
• Published: 2014-10-15
• Last modified: 2026-06-17

Description

Microsoft 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 allow remote attackers to execute arbitrary code via a crafted OLE object in an Office document, as exploited in the wild with a "Sandworm" attack in June through October 2014, aka "Windows OLE Remote Code Execution Vulnerability."

Frequently asked questions

What is CVE-2014-4114?

Microsoft 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 allow remote attackers to execute arbitrary code via a crafted OLE object in an Office document, as exploited in the wild with a "Sandworm" attack in June through October 2014, aka "Windows OLE Remote Code Execution Vulnerability."

How severe is CVE-2014-4114?

CVE-2014-4114 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2014-4114 being actively exploited?

Yes. CVE-2014-4114 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2014-4114?

CVE-2014-4114 primarily affects Microsoft Windows 7. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-4114?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2014-4114 have an EU (EUVD) identifier?

Yes. CVE-2014-4114 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2014-4045. It is also flagged as exploited in the EUVD (since 2022-03-03).

When was CVE-2014-4114 published?

CVE-2014-4114 was published on 2014-10-15 and last updated on 2026-06-17.

References

• http://blog.trendmicro.com/trendlabs-security-intelligence/an-analysis-of-windows-zero-day-vulnerability-cve-2014-4114-aka-sandworm/
• http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx
• http://osvdb.org/show/osvdb/113140
• http://secunia.com/advisories/60972
• http://www.exploit-db.com/exploits/35019
• http://www.exploit-db.com/exploits/35020
• http://www.exploit-db.com/exploits/35055
• http://www.isightpartners.com/2014/10/cve-2014-4114/
• http://www.securityfocus.com/bid/70419
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-060
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4114

Affected products (10)

• cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2012:-:gold:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*

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