How severe is CVE-2012-0020?

CVE-2012-0020 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2012-0020 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0020?

CVE-2012-0020 primarily affects Microsoft Visio Viewer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0020?

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-2012-0020 published?

CVE-2012-0020 was published on 2012-02-14 and last updated on 2026-06-16.

CVE-2012-0020

CVE-2012-0020 is a critical-severity vulnerability in Microsoft Visio Viewer with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 20% 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: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Microsoft Visio Viewer
Published: 2012-02-14
Last modified: 2026-06-16

Description

Microsoft Visio Viewer 2010 Gold and SP1 does not properly handle memory during the parsing of files, which allows remote attackers to execute arbitrary code via crafted attributes in a Visio file, aka "VSD File Format Memory Corruption Vulnerability," a different vulnerability than CVE-2012-0019, CVE-2012-0136, CVE-2012-0137, and CVE-2012-0138.

Frequently asked questions

What is CVE-2012-0020?: Microsoft Visio Viewer 2010 Gold and SP1 does not properly handle memory during the parsing of files, which allows remote attackers to execute arbitrary code via crafted attributes in a Visio file, aka "VSD File Format Memory Corruption Vulnerability," a different vulnerability than CVE-2012-0019, CVE-2012-0136, CVE-2012-0137, and CVE-2012-0138.
How severe is CVE-2012-0020?: CVE-2012-0020 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-0020 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0020?: CVE-2012-0020 primarily affects Microsoft Visio Viewer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0020?: 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-2012-0020 published?: CVE-2012-0020 was published on 2012-02-14 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:microsoft:visio_viewer:2010:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visio_viewer:2010:sp1:*:*:*:*:*:*

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