RCE in Microsoft 365 Apps
CVE-2021-42296
Microsoft Word Remote Code Execution Vulnerability
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Microsoft 365 Apps
- Microsoft 365 Apps For Enterprise — versions 16.0.1
- Microsoft Office Ltsc 2021 — versions 16.0.1
- Microsoft Office Long Term Servicing Channel — versions 2021
Weakness classification (CWE)
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42296 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-42296?
- CVE-2021-42296 is a high-severity vulnerability in Microsoft 365 Apps, classified under Code Injection. CVSS score: 7.8/10. Published 2021-11-10.
- How severe is CVE-2021-42296?
- High severity. CVSS v3 base score is 7.8 out of 10.