CVE-2014-1823

Exploitation likely. EPSS gives it a 51% chance of exploitation in the next 30 days. A vendor fix is available.

CVSS 2.04.3Medium EPSS percentile99th51% chance in 30 days CISA KEVNot listedNo confirmed exploitation
No public exploit known FixVendor fixNo build named by the sources

Published 2014-06-11Updated 2026-05-06Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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."

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS99th

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

51% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

7 events over 4397 days, from the signal feeds we watch.

2026-06-25OpenVAS check added
2026-06-22EPSS band changemoderate → high
2026-05-06Patch availablerecord updated
2014-06-11Publishedweakness classified, att&ck mapped

Affected products

Microsoft Corpcommercial · USaka microsoft, microsoft corporation
- Microsoft Lync ServerOSOn-premOperating Systems / windows
- lync serverWeb AppOn-premEnterprise Software / collaboration-groupware

And 1 more affected product. See all after sign-in

Technical detail

CVSS 2.0 vector

Open in the CVSS calculator

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

Scored 4.3 by NVD.

How it is reached

Access Vector NetworkExploitable remotely over the network
Access Complexity MediumSome conditions must be met
Authentication NoneNo authentication required

Impact if exploited

Confidentiality NoneNo confidentiality impact
Integrity PartialSome data can be modified
Availability NoneNo availability impact

Weaknesses

CWE-79No name in the record

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

ExecutionT1059Command and Scripting Interpretermedium confidence
Initial AccessT1189Drive-by Compromisehigh confidence

Sources

References in the record

And 4 more references. See all after sign-in

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