Security readout for executives and security teams
Plain-English summary
This is a Microsoft Office Graphics remote code execution vulnerability affecting Microsoft 365 Apps for Enterprise 16.0.1. A successful attack could allow code execution after user interaction, potentially affecting confidentiality, integrity, and availability.
Executive priority
Treat as a high-priority Office client patching issue, especially in environments with heavy document exchange. No source provided confirms active exploitation, so urgency is driven by potential impact and user-exposure patterns.
Technical view
The supplied CVSS v3.1 vector is 7.8 high: local attack vector, low complexity, no privileges required, user interaction required, unchanged scope, and high impact to confidentiality, integrity, and availability. Microsoft lists an official remediation level.
Likely exposure
Exposure is most relevant where Microsoft 365 Apps for Enterprise 16.0.1 is installed. The source bundle does not identify other affected products or versions.
Exploitation context
CISA KEV status is false, and the CVSS temporal metric lists exploit maturity as unproven. The evidence supports user-interaction risk, not confirmed active exploitation.
Researcher notes
Available evidence is limited to the CVE record, CVSS vector, affected product entry, KEV false status, and Microsoft advisory reference. No CWE, exploit details, or detailed root cause are provided in the bundle.
Mitigation direction
- Review Microsoft’s CVE-2022-26804 advisory for affected build and update guidance.
- Apply Microsoft’s official remediation for affected Microsoft 365 Apps for Enterprise installations.
- Prioritize users who frequently open externally supplied Office or graphics content.
- Use existing endpoint controls to reduce impact while patching is completed.
Validation and detection
- Inventory Microsoft 365 Apps for Enterprise installations and recorded versions.
- Check whether version 16.0.1 is present in the environment.
- Verify patch status against the Microsoft advisory for CVE-2022-26804.
- Confirm no business-critical systems remain on vendor-listed affected builds.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-26804 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Microsoft Office Graphics Remote Code Execution VulnerabilityCVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.