Vulnerability in Microsoft 365 Apps
CVE-2020-16957
<p>A remote code execution vulnerability exists when the Microsoft Office Access Connectivity Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system.</p> <p>An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file.</p> <p>The update addresses the vulnerability by correcting the way the Microsoft Office Access Connectivity Engine handles objects in memory.</p>
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 365 Apps For Enterprise — versions 16.0.1
- Microsoft Office 2019 — versions 19.0.0
- Microsoft Office — versions 2019
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16957 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-16957?
- CVE-2020-16957 is a high-severity vulnerability in Microsoft 365 Apps. CVSS score: 7.8/10. Published 2020-10-16.
- How severe is CVE-2020-16957?
- High severity. CVSS v3 base score is 7.8 out of 10.