How severe is CVE-2010-3200?

CVE-2010-3200 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-3200 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3200?

CVE-2010-3200 affects Microsoft Word. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-3200?

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

When was CVE-2010-3200 published?

CVE-2010-3200 was published on 2010-09-20 and last updated on 2026-06-16.

CVE-2010-3200

CVE-2010-3200 is a medium-severity vulnerability in Microsoft Word with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Word
Published: 2010-09-20
Last modified: 2026-06-16

Description

MSO.dll in Microsoft Word 2003 SP3 11.8326.11.8324 allows remote attackers to cause a denial of service (NULL pointer dereference and multiple-instance application crash) via a crafted buffer in a Word document, as demonstrated by word_crash_11.8326.8324_poc.doc.

Frequently asked questions

What is CVE-2010-3200?: MSO.dll in Microsoft Word 2003 SP3 11.8326.11.8324 allows remote attackers to cause a denial of service (NULL pointer dereference and multiple-instance application crash) via a crafted buffer in a Word document, as demonstrated by word_crash_11.8326.8324_poc.doc.
How severe is CVE-2010-3200?: CVE-2010-3200 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-3200 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3200?: CVE-2010-3200 affects Microsoft Word. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-3200?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-3200 published?: CVE-2010-3200 was published on 2010-09-20 and last updated on 2026-06-16.

References

http://www.securityfocus.com/archive/1/513679/100/0/threaded

Affected products (1)

cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*

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