Medium severity · published Jul 14, 2020
CVE-2020-1442
A spoofing vulnerability exists when an Office Web Apps server does not properly sanitize a specially crafted request, aka 'Office Web Apps XSS Vulnerability'
6.1
CVSS
1.7%
EPSS
No
On KEV
Description
A spoofing vulnerability exists when an Office Web Apps server does not properly sanitize a specially crafted request, aka 'Office Web Apps XSS Vulnerability'.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OO
Office Online Server · Microsoft
All versions, or not specified · source: NVD
OW
Office Web Apps · Microsoft
2013 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-1442
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-1442
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1442
More from Office Online Server
7.8
CVE-2017-11826
Microsoft Office Remote Code Execution Vulnerability
9.8
CVE-2023-21716
Microsoft Word Remote Code Execution Vulnerability
9.8
CVE-2019-1205
A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory
8.8
CVE-2026-108446
Microsoft Office Excel Remote Code Execution Vulnerability
8.8
CVE-2026-100212
Microsoft Office Excel Remote Code Execution Vulnerability