Out-of-bounds Read in Microsoft 365 Apps
CVE-2020-1342
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.064 (93.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.064 · newest: 0.064 · change: 0.000
Affected products
- Microsoft 365 Apps
- Microsoft 365 Apps For Enterprise 32-Bit Systems — versions unspecified
- Microsoft 365 Apps For Enterprise 64-Bit Systems — versions unspecified
- Microsoft Office — versions 2019 for 32-bit editions, 2019 for 64-bit editions, 2019 for Mac
- Microsoft Office Online Server — versions unspecified
- Microsoft Office Web Apps — versions 2010 Service Pack 2, 2013 Service Pack 1
- Microsoft Sharepoint Enterprise Server — versions 2016, 2013 Service Pack 1
- Microsoft Sharepoint Server — versions 2019, 2010 Service Pack 2
- Microsoft Word — versions 2016 (32-bit edition), 2016 (64-bit edition), 2010 Service Pack 2 (32-bit editions)
- Microsoft Office — versions 2010, 2016, 2019
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1342 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-1342?
- CVE-2020-1342 is a medium-severity vulnerability in Microsoft 365 Apps, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-07-14.
- How severe is CVE-2020-1342?
- Medium severity. CVSS v3 base score is 5.5 out of 10.