Vulnerability in Microsoft Office 2016
CVE-2026-20943
Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (49.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Microsoft Office 2016 — versions 16.0.0
- Microsoft Office Deployment Tool — versions 1.0
- Microsoft Sharepoint Enterprise Server 2016 — versions 16.0.0
- Microsoft Sharepoint Server 2019 — versions 16.0.0
- Microsoft Sharepoint Server Subscription Edition — versions 16.0.0
- Microsoft Office — versions 2016
- Microsoft Office Deployment Tool
- Microsoft Sharepoint Server — versions 2016, 2019
Weakness classification (CWE)
References
- Microsoft Office Click-To-Run Remote Code Execution Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-20943?
- CVE-2026-20943 is a high-severity vulnerability in Microsoft Office 2016, classified under Untrusted Search Path. CVSS score: 7.0/10. Published 2026-01-13.
- How severe is CVE-2026-20943?
- High severity. CVSS v3 base score is 7.0 out of 10.