CVE-2013-1302

9.3 HIGH 22% exploit odds No fix listed Memory safety Server

What it is

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."

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 21.9% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2013-01-12 00:00 UTC ReservedThe CVE id was reserved by its CNA
2013-05-15 03:36 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:51 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 21.9% in the next 30 days (EPSS).
Severity: 9.3 HIGH (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2013-05-15 03:36 UTC
Last modified: 2026-06-16 23:51 UTC
Exploit probability: 21.9% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Modified

Affected

Microsoft Lync 2010
Microsoft Lync Server 2013
Microsoft Office Communicator 2007

Attack profile CVSS 2.0 · 9.3

Attack vector: Network
Complexity: Medium
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2013-1302.md and follow it. Check whether this project is affected by CVE-2013-1302. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record