Cyber Resilience

CVE-2022-44691

High

Published: 13 December 2022

Published
13 December 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0701 91.7th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-44691 is a high-severity an unspecified weakness vulnerability in Microsoft 365 Apps. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 8.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

CVE-2022-44691 is a remote code execution vulnerability in Microsoft Office OneNote. It is rated 7.8 under CVSS 3.1 with the vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating local access, low attack complexity, no privileges required, and user interaction needed to trigger high-severity impacts on confidentiality, integrity, and availability.

An attacker can exploit the flaw when a user opens a malicious OneNote file on an affected system, enabling arbitrary code execution under the context of the logged-in user.

Microsoft has published mitigation details and security updates through its update guide at the referenced advisory locations.

The associated EPSS score remains flat at a peak and current value of 0.0701.

EU & UK References

Vulnerability details

Microsoft Office OneNote Remote Code Execution Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
365 apps
all versions
microsoft
office
2019
microsoft
office long term servicing channel
2021

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References