How severe is CVE-2018-0841?

CVE-2018-0841 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-0841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0841?

CVE-2018-0841 affects Microsoft Office. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-0841?

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-2018-0841 published?

CVE-2018-0841 was published on 2018-02-15 and last updated on 2026-06-17.

CVE-2018-0841

CVE-2018-0841 is a high-severity vulnerability in Microsoft Office with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.3
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Office
Published: 2018-02-15
Last modified: 2026-06-17

Description

Microsoft Office 2016 Click-to-Run allows a remote code execution vulnerability due to how objects are handled in memory, aka "Office Remote Code Execution Vulnerability"

Frequently asked questions

What is CVE-2018-0841?: Microsoft Office 2016 Click-to-Run allows a remote code execution vulnerability due to how objects are handled in memory, aka "Office Remote Code Execution Vulnerability"
How severe is CVE-2018-0841?: CVE-2018-0841 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-0841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0841?: CVE-2018-0841 affects Microsoft Office. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-0841?: 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-2018-0841 published?: CVE-2018-0841 was published on 2018-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microsoft:office:2016:c2r:*:*:*:*:*:*

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