CVE-2011-1972

CVE-2011-1972 is a critical-severity vulnerability in Microsoft Visio 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-20.

Key facts

Description

Microsoft Visio 2003 SP3, 2007 SP2, and 2010 Gold and SP1 does not properly validate objects in memory during Visio file parsing, which allows remote attackers to execute arbitrary code via a crafted file, aka "pStream Release RCE Vulnerability."

Frequently asked questions

What is CVE-2011-1972?
Microsoft Visio 2003 SP3, 2007 SP2, and 2010 Gold and SP1 does not properly validate objects in memory during Visio file parsing, which allows remote attackers to execute arbitrary code via a crafted file, aka "pStream Release RCE Vulnerability."
How severe is CVE-2011-1972?
CVE-2011-1972 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-1972 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-2011-1972?
CVE-2011-1972 primarily affects Microsoft Visio. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1972?
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-2011-1972 published?
CVE-2011-1972 was published on 2011-08-10 and last updated on 2026-06-16.

References

Affected products (6)

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