CVE-2022-26804

Code execution via undisclosed graphics flaw

Published Dec 13, 2022 · Updated Jul 22, 2025

Remote code execution in Microsoft 365 Apps for enterprise allows context-dependent attackers to execute code via unspecified vectors. Microsoft has not published the affected Office Graphics locus, the input format, or the unsafe operation that triggers code execution. Exploitation requires user interaction and runs code with the affected user's privileges, allowing data access, modification, and service interruption.

CVSS severity7.8
High
EPSS probability0.82%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Remote code execution in Microsoft 365 Apps for enterprise allows context-dependent attackers to execute code via unspecified vectors. Microsoft has not published the affected Office Graphics locus, the input format, or the unsafe operation that triggers code execution. Exploitation requires user interaction and runs code with the affected user's privileges, allowing data access, modification, and service interruption.

The record

CVE
CVE-2022-26804
Published
Dec 13, 2022
Updated
Jul 22, 2025
Vendor
Microsoft
Product
Microsoft 365 Apps for enterprise
Classifications
T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 13, 2022CVE publishedPublication date reported by the CVE source.
  2. Jul 22, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16.0.1 <https://aka.ms/OfficeSecurityReleases

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Microsoft · Microsoft 365 Apps for enterpriseversion=16.0.1 <https://aka.ms/OfficeSecurityReleases

Published CVSS scores

7.8MicrosoftCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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