How severe is CVE-2022-26804?

CVE-2022-26804 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-2022-26804 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26804?

CVE-2022-26804 affects Microsoft 365 Apps. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26804?

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-2022-26804 published?

CVE-2022-26804 was published on 2022-12-13 and last updated on 2026-06-17.

CVE-2022-26804

CVE-2022-26804 is a high-severity vulnerability in Microsoft 365 Apps with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft 365 Apps
Published: 2022-12-13
Last modified: 2026-06-17

Description

Microsoft Office Graphics Remote Code Execution Vulnerability

Frequently asked questions

What is CVE-2022-26804?: Microsoft Office Graphics Remote Code Execution Vulnerability
How severe is CVE-2022-26804?: CVE-2022-26804 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-2022-26804 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26804?: CVE-2022-26804 affects Microsoft 365 Apps. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26804?: 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-2022-26804 published?: CVE-2022-26804 was published on 2022-12-13 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26804

Affected products (1)

cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*

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