What’s Vulnerable › Vulnerabilities

CVE-2020-1342

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-14 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• Microsoft 365 Apps: all versions
• Microsoft Office: 2010-sp2, 2016, 2019
• Microsoft Office Online Server: all versions
• Microsoft Office Web Apps: 2010-sp2, 2013-sp1
• Microsoft SharePoint Server: 2013-sp1, 2016
• Microsoft SharePoint Server: 2010-sp2, 2019
• Microsoft Word for Android: 2010-sp2, 2013-sp1, 2016
• Microsoft 365 Apps for Enterprise for 32-bit Systems: all versions
• Microsoft 365 Apps for Enterprise for 64-bit Systems: all versions
• Microsoft Office: 2019 for 32-bit editions, 2019 for 64-bit editions, 2019 for Mac, 2016 for Mac, 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions)
• Microsoft Office Online Server: all versions
• Microsoft Office Web Apps: 2010 Service Pack 2, 2013 Service Pack 1
• Microsoft SharePoint Server: 2016, 2013 Service Pack 1
• Microsoft SharePoint Server: 2019, 2010 Service Pack 2
• Microsoft Word for Android: 2016 (32-bit edition), 2016 (64-bit edition), 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit editions) (+1)

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1342
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1342

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