CVE-2020-1229
A security feature bypass vulnerability exists in Microsoft Outlook when Office fails to enforce security settings configured on a system,…
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
A security feature bypass vulnerability exists in Microsoft Outlook when Office fails to enforce security settings configured on a system, aka 'Microsoft Outlook Security Feature Bypass Vulnerability'.
Timeline
ID reserved
By microsoft
- 7 months later
· 7 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 3.9% · top 9.6% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
- Security Feature Bypass
Affected products
Microsoft · Microsoft 365 Apps for Enterprise for 32-bit Systems
- affected unspecified
Microsoft · Microsoft 365 Apps for Enterprise for 64-bit Systems
- affected unspecified
- affected 2019 for 32-bit editions
- affected 2019 for 64-bit editions
- affected 2019 for Mac
- affected 2016 (32-bit edition)
- affected 2016 (64-bit edition)
- affected 2016 for Mac
- affected 2010 Service Pack 2 (32-bit editions)
- affected 2010 Service Pack 2 (64-bit editions)
- affected 2013 RT Service Pack 1
- affected 2013 Service Pack 1 (32-bit editions)
- affected 2013 Service Pack 1 (64-bit editions)
- affected 2016 (32-bit edition)
- affected 2016 (64-bit edition)
- affected 2010 Service Pack 2 (32-bit editions)
- affected 2010 Service Pack 2 (64-bit editions)
- affected 2013 RT Service Pack 1
- affected 2013 Service Pack 1 (32-bit editions)
- affected 2013 Service Pack 1 (64-bit editions)
References (1)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1229 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-1229)Record last updated .