CVE-2020-1342An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable,…
- 5.5MediumCVSS base score
- 6.4%Exploitation in 30 daysEPSS · top 6.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory, aka 'Microsoft Office Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-1445.
Timeline
ID reserved
By microsoft
- 8 months later
· 8 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 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 6.4% · top 6.2% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
Microsoft · Microsoft SharePoint Enterprise Server
- affected 2016
- affected 2013 Service Pack 1
Microsoft · Microsoft SharePoint Server
- affected 2019
- affected 2010 Service Pack 2
- affected 2019 for 32-bit editions
- affected 2019 for 64-bit editions
- affected 2019 for Mac
- affected 2016 for Mac
- affected 2010 Service Pack 2 (32-bit editions)
- affected 2010 Service Pack 2 (64-bit editions)
Microsoft · Microsoft Office Online Server
- affected unspecified
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 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)
Microsoft · Microsoft Office Web Apps
- affected 2010 Service Pack 2
- affected 2013 Service Pack 1
References
References1
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1342 (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)
- EUVD EUVD-2020-12218 (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://cveledger.app/cve/CVE-2020-1342)Record last updated .