How severe is CVE-2010-3946?

CVE-2010-3946 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-3946 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3946?

CVE-2010-3946 primarily affects Microsoft Office. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-3946?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2010-3946 published?

CVE-2010-3946 was published on 2010-12-16 and last updated on 2026-06-16.

CVE-2010-3946

CVE-2010-3946 is a critical-severity vulnerability in Microsoft Office with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-189.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 22% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Microsoft Office
Published: 2010-12-16
Last modified: 2026-06-16

Description

Integer overflow in the PICT image converter in the graphics filters in Microsoft Office XP SP3, Office 2003 SP3, and Office Converter Pack allows remote attackers to execute arbitrary code via a crafted PICT image in an Office document, aka "PICT Image Converter Integer Overflow Vulnerability."

Frequently asked questions

What is CVE-2010-3946?: Integer overflow in the PICT image converter in the graphics filters in Microsoft Office XP SP3, Office 2003 SP3, and Office Converter Pack allows remote attackers to execute arbitrary code via a crafted PICT image in an Office document, aka "PICT Image Converter Integer Overflow Vulnerability."
How severe is CVE-2010-3946?: CVE-2010-3946 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-3946 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3946?: CVE-2010-3946 primarily affects Microsoft Office. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-3946?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-3946 published?: CVE-2010-3946 was published on 2010-12-16 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:microsoft:office:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_converter_pack:*:*:*:*:*:*:*:*

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