Which products and versions are affected by CVE-2014-1823?

Affected: Lync Server (Microsoft) versions 2010, 2013. The full list is in the CVE brief.

Is CVE-2014-1823 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2014-1823 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2014-1823?

No public exploit code is known.

Is there a fix for CVE-2014-1823?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2014-1823 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2014-1823

Medium

Cross-site scripting (XSS) vulnerability in the Web Components Server in Microsoft Lync Server 2010 and 2013 allows remote attackers to inject arbitrary web script or HTML via a crafted URL containing a valid meeting ID, aka "Lync Server Content Sanitization Vulnerability."

Published Jun 11, 2014 · Updated May 6, 2026

Key Facts

Patch immediately

CVE-2014-1823 is a medium-severity vulnerability (CVSS 4.3 v2) affecting Lync Server (Microsoft).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 51% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

4.3

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

EPSS (30-day exploit likelihood)

51%

Higher than 98.9% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2014-1823 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Lync ServerMicrosoft	2010, 2013	n/a

Timeline

Publicly disclosed
Jun 11, 2014
Last updated
May 6, 2026

Weakness Type

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

advisoryhttp://blogs.technet.com/b/srd/archive/2014/06/10/assessing-risk-for-the-june-2014-security-updates.aspx
otherMS14-032
other58537
other67893
other1030381

FAQ

Common Questions.

Cross-site scripting (XSS) vulnerability in the Web Components Server in Microsoft Lync Server 2010 and 2013 allows remote attackers to inject arbitrary web script or HTML via a crafted URL containing a valid meeting ID, aka "Lync Server Content Sanitization Vulnerability."
Affected: Lync Server (Microsoft) versions 2010, 2013. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2014-1823 Running On Your Attack Surface?

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