How severe is CVE-2013-3906?

CVE-2013-3906 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-2013-3906 being actively exploited?

Yes. CVE-2013-3906 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-02-15, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2013-3906?

CVE-2013-3906 primarily affects Microsoft Excel Viewer. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-3906?

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-2013-3906 have an EU (EUVD) identifier?

Yes. CVE-2013-3906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2013-3838. It is also flagged as exploited in the EUVD (since 2022-02-15).

When was CVE-2013-3906 published?

CVE-2013-3906 was published on 2013-11-06 and last updated on 2026-06-16.

CVE-2013-3906

CVE-2013-3906 is a high-severity vulnerability in Microsoft Excel Viewer 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 2022-02-15). The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 85% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-02-15)
EU (EUVD) id: EUVD-2013-3838
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-02-15)
Weakness: CWE-94
Affected product: Microsoft Excel Viewer
Published: 2013-11-06
Last modified: 2026-06-16

Description

GDI+ in Microsoft Windows Vista SP2 and Server 2008 SP2; Office 2003 SP3, 2007 SP3, and 2010 SP1 and SP2; Office Compatibility Pack SP3; and Lync 2010, 2010 Attendee, 2013, and Basic 2013 allows remote attackers to execute arbitrary code via a crafted TIFF image, as demonstrated by an image in a Word document, and exploited in the wild in October and November 2013.

Frequently asked questions

What is CVE-2013-3906?: GDI+ in Microsoft Windows Vista SP2 and Server 2008 SP2; Office 2003 SP3, 2007 SP3, and 2010 SP1 and SP2; Office Compatibility Pack SP3; and Lync 2010, 2010 Attendee, 2013, and Basic 2013 allows remote attackers to execute arbitrary code via a crafted TIFF image, as demonstrated by an image in a Word document, and exploited in the wild in October and November 2013.
How severe is CVE-2013-3906?: CVE-2013-3906 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-2013-3906 being actively exploited?: Yes. CVE-2013-3906 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-02-15, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2013-3906?: CVE-2013-3906 primarily affects Microsoft Excel Viewer. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-3906?: 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-2013-3906 have an EU (EUVD) identifier?: Yes. CVE-2013-3906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2013-3838. It is also flagged as exploited in the EUVD (since 2022-02-15).
When was CVE-2013-3906 published?: CVE-2013-3906 was published on 2013-11-06 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:a:microsoft:excel_viewer:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:lync:2010:*:*:*:attendee:*:*:*
cpe:2.3:a:microsoft:lync:2013:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2007:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2010:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:powerpoint_viewer:2010:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:powerpoint_viewer:2010:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:word_viewer:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*

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