How severe is CVE-2010-1901?

CVE-2010-1901 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-1901 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1901?

CVE-2010-1901 primarily affects Microsoft Word. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1901?

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-2010-1901 published?

CVE-2010-1901 was published on 2010-08-11 and last updated on 2026-06-16.

CVE-2010-1901

CVE-2010-1901 is a critical-severity vulnerability in Microsoft Word with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft Word
Published: 2010-08-11
Last modified: 2026-06-16

Description

Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP2; Microsoft Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Word Viewer; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 do not properly handle unspecified properties in rich text data, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted RTF document, aka "Word RTF Parsing Engine Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2010-1901?: Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP2; Microsoft Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Word Viewer; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 do not properly handle unspecified properties in rich text data, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted RTF document, aka "Word RTF Parsing Engine Memory Corruption Vulnerability."
How severe is CVE-2010-1901?: CVE-2010-1901 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-1901 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1901?: CVE-2010-1901 primarily affects Microsoft Word. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1901?: 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-2010-1901 published?: CVE-2010-1901 was published on 2010-08-11 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:microsoft:word:2002:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:word:2007:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2004:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:office:2008:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:mac:*:*:*:*:*
cpe:2.3:a:microsoft:office_compatibility_pack:2007:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:office_word_viewer:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Word

CVE-2004-0963 — Critical (CVSS 10.0): Buffer overflow in Microsoft Word 2002 (10.6612.6714) SP3, and possibly other versions, allows remote attackers to…
CVE-2000-0788 — Critical (CVSS 10.0): The Mail Merge tool in Microsoft Word does not prompt the user before executing Visual Basic (VBA) scripts in an Access…
CVE-2023-21716 — Critical (CVSS 9.8): Microsoft Word Remote Code Execution Vulnerability
CVE-2023-33150 — Critical (CVSS 9.6): Microsoft Office Security Feature Bypass Vulnerability
CVE-2015-6172 — Critical (CVSS 9.3): Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2016, Word 2013 RT SP1, and Office…
CVE-2015-6124 — Critical (CVSS 9.3): Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, and Office Compatibility Pack…

All CVEs affecting Microsoft Word →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →