How severe is CVE-2008-5181?

CVE-2008-5181 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-5181 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-5181?

CVE-2008-5181 affects Microsoft Office Communicator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-5181?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-5181 published?

CVE-2008-5181 was published on 2008-11-20 and last updated on 2026-06-16.

CVE-2008-5181

CVE-2008-5181 is a medium-severity vulnerability in Microsoft Office Communicator with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Microsoft Office Communicator
Published: 2008-11-20
Last modified: 2026-06-16

Description

Microsoft Communicator allows remote attackers to cause a denial of service (application or device outage) via instant messages containing large numbers of emoticons.

Frequently asked questions

What is CVE-2008-5181?: Microsoft Communicator allows remote attackers to cause a denial of service (application or device outage) via instant messages containing large numbers of emoticons.
How severe is CVE-2008-5181?: CVE-2008-5181 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-5181 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-5181?: CVE-2008-5181 affects Microsoft Office Communicator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-5181?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-5181 published?: CVE-2008-5181 was published on 2008-11-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:office_communicator:*:*:*:*:*:*:*:*

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