VDB
msrc_CVE-2026-20946
msrc_CVE-2026-20946
PUBLISHED
CVSS 7.800000190734863 HIGH
Record from circl · Published January 13, 2026
Risk scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/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 LTSC 2024 for 64-bit editions https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office 2019 for 32-bit editions <https://aka.ms/OfficeSecurityReleases | ||
| Microsoft 365 Apps for Enterprise for 32-bit Systems <https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC 2021 for 32-bit editions https://aka.ms/OfficeSecurityReleases | ||
| Microsoft 365 Apps for Enterprise for 64-bit Systems https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC 2024 for 32-bit editions https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office 2019 for 32-bit editions https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC 2021 for 64-bit editions https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC for Mac 2021 16.105.26011018 | ||
| Microsoft Office LTSC 2021 for 32-bit editions <https://aka.ms/OfficeSecurityReleases | ||
| Microsoft 365 Apps for Enterprise for 64-bit Systems <https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office 2019 for 64-bit editions https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC 2021 for 64-bit editions <https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC 2024 for 64-bit editions <https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC for Mac 2021 <16.105.26011018 | ||
| Microsoft Office 2019 for 64-bit editions <https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC for Mac 2024 16.105.26011018 | ||
| Microsoft 365 Apps for Enterprise for 32-bit Systems https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC 2024 for 32-bit editions <https://aka.ms/OfficeSecurityReleases | ||
| Microsoft Office LTSC for Mac 2024 <16.105.26011018 |
Timeline
- Jan 13, 2026 CVE Published
- Nov 1, 2026 Security Advisory (2 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln msrc_CVE-2026-20946
vulnetix vdb fixes msrc_CVE-2026-20946Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/msrc_CVE-2026-20946/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20946 advisory
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-20946.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://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates fix
- https://go.microsoft.com/fwlink/p/?linkid=831049 fix
- https://support.microsoft.com/help/5002831 fix