How severe is CVE-2015-2557?

CVE-2015-2557 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2015-2557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2557?

CVE-2015-2557 primarily affects Microsoft Visio. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2557?

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-2015-2557 published?

CVE-2015-2557 was published on 2015-10-14 and last updated on 2026-06-17.

CVE-2015-2557

CVE-2015-2557 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 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 22% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Microsoft Visio
Published: 2015-10-14
Last modified: 2026-06-17

Description

Buffer overflow in Microsoft Visio 2007 SP3 and 2010 SP2 allows remote attackers to execute arbitrary code via crafted UML data in an Office document, aka "Microsoft Office Memory Corruption Vulnerability."

Frequently asked questions

What is CVE-2015-2557?: Buffer overflow in Microsoft Visio 2007 SP3 and 2010 SP2 allows remote attackers to execute arbitrary code via crafted UML data in an Office document, aka "Microsoft Office Memory Corruption Vulnerability."
How severe is CVE-2015-2557?: CVE-2015-2557 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2015-2557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2557?: CVE-2015-2557 primarily affects Microsoft Visio. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2557?: 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-2015-2557 published?: CVE-2015-2557 was published on 2015-10-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:microsoft:visio:2007:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:visio:2010:sp2:*:*:*:*:*:*

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