High severity · published Mar 11, 2021
CVE-2021-27059
Microsoft Office Remote Code Execution Vulnerability
In wildKEV
7.6
CVSS
6.1%
EPSS
Yes
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)6.1% · higher than 93% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueNov 17, 2021
Ransomware campaign useNot known
Affected products
Which versions
OF
Office · Microsoft
2010; 2013; 2013 · source: NVD, KEV
MO
Microsoft Office 2010 Service Pack 2 · Microsoft
13.0.0.0 before 14.0.7266.5000 · source: vendor
MO
Microsoft Office 2013 Service Pack 1 · Microsoft
15.0.0 before publication · source: vendor
MO
Microsoft Office 2016 · Microsoft
16.0.0 before 16.0.5134.1000 · source: vendor
O2
Office 2016 · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27059
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27059
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27059
More from Office
9.8
CVE-2024-21413
Microsoft Outlook Remote Code Execution Vulnerability
9.8
CVE-2023-23397
Microsoft Outlook Elevation of Privilege Vulnerability
8.8
CVE-2024-38189
Microsoft Project Remote Code Execution Vulnerability
8.8
CVE-2023-35311
Microsoft Outlook Security Feature Bypass Vulnerability
8.8
CVE-2019-1297
Microsoft Excel Remote Code Execution Vulnerability