Lync vulnerabilitiesAnd the versions its exploited flaws hit.

Product2 known exploited2 versions
The short answer

Lync is made by Microsoft. We track 43 published vulnerabilities listed under that exact name, across 2 versions. 2 of them are on the list of flaws known to be exploited, the newest added on 25 May 2022. Microsoft lists newer releases under their own names, such as Lync Server, so check those pages too.

Check your version

The most recent Lync flaw added to the known-exploited list is CVE-2015-1671, on 25 May 2022. We keep watching the known-exploited list.

Other names

Is Lync listed under other names? Yes.

Microsoft also lists Lync under more specific names, such as Lync Server and Lync Basic. Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.

Versions

Which versions of Lync do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

  • CVE-2015-1671Exploited list, 25 May 2022

    Microsoft Windows Remote Code Execution Vulnerability

    20102013-sp1
  • CVE-2013-3906Exploited list, 15 Feb 2022

    Microsoft Graphics Component Memory Corruption Vulnerability

    20102013
Known exploited

Which Lync vulnerabilities are being exploited?

2 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 7.8
    CVE-2015-1671HighKnown exploited
    Microsoft Windows Remote Code Execution Vulnerability

    A remote code execution vulnerability exists when components of Windows, .NET Framework, Office, Lync, and Silverlight fail to properly handle TrueType fonts.

    Chance of use49%Known exploited since25 May 2022
  2. 7.8
    CVE-2013-3906HighKnown exploited
    Microsoft Graphics Component Memory Corruption Vulnerability

    Microsoft Graphics Component contains a memory corruption vulnerability which can allow for remote code execution.

    Chance of use85%Known exploited since15 Feb 2022
Precursor Intelligence

Running Lync? We'll keep checking.

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FAQ

Common questions, answered plainly.

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We track 43 published vulnerabilities listed under the name Lync, across 2 versions. The most recent Lync flaw added to the known-exploited list is CVE-2015-1671, on 25 May 2022.

2 are on the list of flaws known to be exploited. The most recently added are CVE-2015-1671 and CVE-2013-3906.

Microsoft also lists Lync under more specific names, such as Lync Server and Lync Basic. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

Each flaw names its own versions, usually as ranges. The newest, CVE-2015-1671, affects 2010, 2013-sp1. The versions for every exploited flaw are listed on this page.

Create a Precursor Intelligence account and track Lync. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.