How severe is CVE-2010-0256?

CVE-2010-0256 has a CVSS 2.0 base score of 7.6, rated high severity.

Is CVE-2010-0256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0256?

CVE-2010-0256 primarily affects Microsoft Visio. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0256?

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

When was CVE-2010-0256 published?

CVE-2010-0256 was published on 2010-04-14 and last updated on 2026-06-16.

CVE-2010-0256

CVE-2010-0256 is a high-severity vulnerability in Microsoft Visio with a CVSS 2.0 base score of 7.6. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 2.0 base score 7.6)
EPSS exploit prediction: 18% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft Visio
Published: 2010-04-14
Last modified: 2026-06-16

Description

Microsoft Office Visio 2002 SP2, 2003 SP3, and 2007 SP1 and SP2 does not properly calculate unspecified indexes associated with Visio files, which allows remote attackers to execute arbitrary code via a crafted file, aka "Visio Index Calculation Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2010-0256?: Microsoft Office Visio 2002 SP2, 2003 SP3, and 2007 SP1 and SP2 does not properly calculate unspecified indexes associated with Visio files, which allows remote attackers to execute arbitrary code via a crafted file, aka "Visio Index Calculation Memory Corruption Vulnerability."
How severe is CVE-2010-0256?: CVE-2010-0256 has a CVSS 2.0 base score of 7.6, rated high severity.
Is CVE-2010-0256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0256?: CVE-2010-0256 primarily affects Microsoft Visio. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2010-0256 published?: CVE-2010-0256 was published on 2010-04-14 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:microsoft:visio:2002:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:visio:2003:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:visio:2007:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:visio:2007:sp2:*:*:*:*:*:*

More vulnerabilities in Microsoft Visio

CVE-2003-0347 — Critical (CVSS 10.0): Heap-based buffer overflow in VBE.DLL and VBE6.DLL of Microsoft Visual Basic for Applications (VBA) SDK 5.0 through 6.3…
CVE-2015-2503 — Critical (CVSS 9.3): Microsoft Access 2007 SP3, Excel 2007 SP3, InfoPath 2007 SP3, OneNote 2007 SP3, PowerPoint 2007 SP3, Project 2007 SP3,…
CVE-2015-2557 — Critical (CVSS 9.3): Buffer overflow in Microsoft Visio 2007 SP3 and 2010 SP2 allows remote attackers to execute arbitrary code via crafted…
CVE-2013-0079 — Critical (CVSS 9.3): Microsoft Visio Viewer 2010 SP1 allows remote attackers to execute arbitrary code via a crafted Visio file that…
CVE-2012-1888 — Critical (CVSS 9.3): Buffer overflow in Microsoft Visio 2010 SP1 and Visio Viewer 2010 SP1 allows remote attackers to execute arbitrary code…
CVE-2011-1979 — Critical (CVSS 9.3): Microsoft Visio 2003 SP3 and 2007 SP2 does not properly validate objects in memory during Visio file parsing, which…

All CVEs affecting Microsoft Visio →

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 →