What’s Vulnerable › Vulnerabilities

CVE-2013-1302

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 21.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-05-15 · updated 2026-06-16
• Weakness: CWE-119

Description

Microsoft Communicator 2007 R2, Lync 2010, Lync 2010 Attendee, and Lync Server 2013 do not properly handle objects in memory, which allows remote attackers to execute arbitrary code via an invitation that triggers access to a deleted object, aka "Lync RCE Vulnerability."

Affected products

• Microsoft Lync Server: 2010
• Microsoft Lync Server: 2013
• Microsoft Office Communicator: 2007-r2

References

• http://www.us-cert.gov/ncas/alerts/TA13-134A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-041
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15952
• http://www.us-cert.gov/ncas/alerts/TA13-134A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-041
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15952

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