Buffer overflow in Microsoft 365 Apps
CVE-2020-16918
<p>A remote code execution vulnerability exists when the Base3D rendering engine improperly handles memory.</p> <p>An attacker who successfully exploited the vulnerability would gain execution on a victim system.</p> <p>The security update addresses the vulnerability by correcting how the Base3D rendering engine handles memory.</p>
Vulnerability class: Buffer Overflow
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: 0.039 (89.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
- Microsoft 365 Apps
- Microsoft 3d Viewer — versions 7.0.0
- Microsoft 3d Viewer
- Microsoft 365 Apps For Enterprise — versions 16.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16918 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-16918?
- CVE-2020-16918 is a high-severity vulnerability in Microsoft 365 Apps, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-10-16.
- How severe is CVE-2020-16918?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-16918 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.