CVE-2012-1849

CVE-2012-1849 is a critical-severity vulnerability in Microsoft Lync with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Untrusted search path vulnerability in Microsoft Lync 2010, 2010 Attendee, and 2010 Attendant allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .ocsmeet file, aka "Lync Insecure Library Loading Vulnerability."

Frequently asked questions

What is CVE-2012-1849?
Untrusted search path vulnerability in Microsoft Lync 2010, 2010 Attendee, and 2010 Attendant allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .ocsmeet file, aka "Lync Insecure Library Loading Vulnerability."
How severe is CVE-2012-1849?
CVE-2012-1849 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-1849 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1849?
CVE-2012-1849 primarily affects Microsoft Lync. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1849?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2012-1849 published?
CVE-2012-1849 was published on 2012-06-12 and last updated on 2026-06-16.

References

Affected products (5)

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