How severe is CVE-2015-2431?

CVE-2015-2431 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2015-2431 being actively exploited?

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

What products are affected by CVE-2015-2431?

CVE-2015-2431 primarily affects Microsoft Live Meeting. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2431?

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-2015-2431 published?

CVE-2015-2431 was published on 2015-08-15 and last updated on 2026-06-17.

CVE-2015-2431

CVE-2015-2431 is a critical-severity vulnerability in Microsoft Live Meeting with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 30% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 30% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Microsoft Live Meeting
Published: 2015-08-15
Last modified: 2026-06-17

Description

Microsoft Office 2007 SP3 and 2010 SP2, Live Meeting 2007 Console, Lync 2010, Lync 2010 Attendee, Lync 2013 SP1, and Lync Basic 2013 SP1 allow remote attackers to execute arbitrary code via a crafted Office Graphics Library (OGL) font, aka "Microsoft Office Graphics Component Remote Code Execution Vulnerability."

Frequently asked questions

What is CVE-2015-2431?: Microsoft Office 2007 SP3 and 2010 SP2, Live Meeting 2007 Console, Lync 2010, Lync 2010 Attendee, Lync 2013 SP1, and Lync Basic 2013 SP1 allow remote attackers to execute arbitrary code via a crafted Office Graphics Library (OGL) font, aka "Microsoft Office Graphics Component Remote Code Execution Vulnerability."
How severe is CVE-2015-2431?: CVE-2015-2431 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2015-2431 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 30% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2431?: CVE-2015-2431 primarily affects Microsoft Live Meeting. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2431?: 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-2015-2431 published?: CVE-2015-2431 was published on 2015-08-15 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:microsoft:live_meeting:2007:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:lync:2010:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:lync:2010:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:lync:2010:*:*:*:attendee:*:*:*
cpe:2.3:a:microsoft:lync_basic:2013:sp1:*:*:*:*:x64:*
cpe:2.3:a:microsoft:lync_basic:2013:sp1:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2010:sp2:*:*:*:*:x86:*

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