VDB
MSRC_CVE-2026-20943
MSRC_CVE-2026-20943
PUBLISHED
CVSS 7 HIGH
Risk Scores
CVSS v3.1
7
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft Office 2016 (32-bit edition) 16.0.5535.1000 | ||
| Microsoft SharePoint Enterprise Server 2016 <16.0.5535.1001 | ||
| Microsoft Office 2016 (32-bit edition) <16.0.5535.1000 | ||
| Microsoft SharePoint Enterprise Server 2016 16.0.5535.1001 | ||
| Microsoft Office 2016 (64-bit edition) <16.0.5535.1000 | ||
| Microsoft SharePoint Server Subscription Edition 16.0.19127.20442 | ||
| Microsoft SharePoint Server 2019 <16.0.10417.20083 | ||
| Microsoft Office Deployment Tool <16.0.19426.20170 | ||
| Microsoft Office 2016 (64-bit edition) 16.0.5535.1000 | ||
| Microsoft SharePoint Server 2019 16.0.10417.20083 | ||
| Microsoft Office Deployment Tool 16.0.19426.20170 | ||
| Microsoft SharePoint Server Subscription Edition <16.0.19127.20442 |
Timeline
- Jan 13, 2026 CVE Published
- Jan 20, 2026 CVE Updated
- Apr 1, 2026 Security Advisory
- Apr 1, 2026 Security Advisory
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20943 advisory
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-20943.json advisory
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 url
- https://support.microsoft.com/lifecycle url
- https://www.first.org/cvss url
- https://support.microsoft.com/help/5002825 fix
- https://support.microsoft.com/help/5002826 fix
- https://support.microsoft.com/help/5002828 fix
- https://support.microsoft.com/help/5002822 fix
- https://www.microsoft.com/en-in/download/details.aspx?id=49117&msockid=35f9adb0e74b61392038b90de6fe608c fix