Is CVE-2013-1302 being actively exploited?

CVE-2013-1302 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-1302?

CVE-2013-1302 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2013-1302

HIGH · CVSS 9.3EPSS 21.9%EU EUVD

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."

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-119
EPSS score: 21.9% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-1342)
Published: May 15, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-1342 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / lync
microsoft / lync
microsoft / lync
microsoft / lync server
microsoft / office communicator

References

http://www.us-cert.gov/ncas/alerts/TA13-134A(Third Party Advisory, US Government Resource)
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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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