Medium severity · published Oct 13, 2021
CVE-2021-40472
Microsoft Excel Information Disclosure Vulnerability
5.5
CVSS
0.7%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OF
Office · Microsoft
2013; 2013; 2016; 2019 · source: NVD
EX
Excel · Microsoft
2016 · source: NVD
OL
Office Long Term Servicing Channel · Microsoft
2021 · source: NVD
OO
Office Online Server · Microsoft
All versions, or not specified · source: NVD
OW
Office Web Apps Server · Microsoft
2013 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40472
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40472
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40472
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