How severe is CVE-2018-8569?

CVE-2018-8569 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-8569 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-2018-8569?

CVE-2018-8569 affects Microsoft Yammer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8569?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-8569 published?

CVE-2018-8569 was published on 2018-10-23 and last updated on 2026-06-17.

CVE-2018-8569

CVE-2018-8569 is a high-severity vulnerability in Microsoft Yammer with a CVSS 3.x base score of 7.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Yammer
Published: 2018-10-23
Last modified: 2026-06-17

Description

A remote code execution vulnerability exists in the Yammer desktop application due to the loading of arbitrary content, aka "Yammer Desktop Application Remote Code Execution Vulnerability." This affects Yammer Desktop App.

Frequently asked questions

What is CVE-2018-8569?: A remote code execution vulnerability exists in the Yammer desktop application due to the loading of arbitrary content, aka "Yammer Desktop Application Remote Code Execution Vulnerability." This affects Yammer Desktop App.
How severe is CVE-2018-8569?: CVE-2018-8569 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-8569 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-2018-8569?: CVE-2018-8569 affects Microsoft Yammer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8569?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-8569 published?: CVE-2018-8569 was published on 2018-10-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:yammer:-:*:*:*:*:*:*:*

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