How severe is CVE-2012-2528?

CVE-2012-2528 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2012-2528 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-2012-2528?

CVE-2012-2528 primarily affects Microsoft Word Automation Services. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2528?

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-2012-2528 published?

CVE-2012-2528 was published on 2012-10-09 and last updated on 2026-06-16.

CVE-2012-2528

CVE-2012-2528 is a critical-severity vulnerability in Microsoft Word Automation Services 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-399.

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-399
Affected product: Microsoft Word Automation Services
Published: 2012-10-09
Last modified: 2026-06-16

Description

Use-after-free vulnerability in Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; Word Automation Services on Microsoft SharePoint Server 2010; and Office Web Apps 2010 SP1 allows remote attackers to execute arbitrary code via a crafted RTF document, aka "RTF File listid Use-After-Free Vulnerability."

Frequently asked questions

What is CVE-2012-2528?: Use-after-free vulnerability in Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; Word Automation Services on Microsoft SharePoint Server 2010; and Office Web Apps 2010 SP1 allows remote attackers to execute arbitrary code via a crafted RTF document, aka "RTF File listid Use-After-Free Vulnerability."
How severe is CVE-2012-2528?: CVE-2012-2528 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-2528 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-2012-2528?: CVE-2012-2528 primarily affects Microsoft Word Automation Services. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2528?: 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-2012-2528 published?: CVE-2012-2528 was published on 2012-10-09 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:microsoft:word_automation_services:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack:*:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_web_apps:2010:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:2007:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:2010:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:word_viewer:*:*:*:*:*:*:*:*

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