CVE-2022-21840
Microsoft Office Remote Code Execution Vulnerability
HIGH
8.8
CVSS Score
Published: January 11, 2022 at 08:22 PM UTC
Updated: June 17, 2026 at 04:27 AM UTC
17 products affected across 1 vendorOffice365 AppsSharePoint Server
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Severity
HIGH8.8
Exploit prediction
EPSS 3%
Description
Microsoft Office Remote Code Execution Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
16.0.1 ≤ v < https://aka.ms/OfficeSecurityReleases16.0.1
Affected range stops below https://aka.ms/OfficeSecurityReleases, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.0.5415.1000, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.5266.1000, so it looks safe — our inference, not a vendor statement
15.0.0 ≤ v < 15.0.5415.100016.0.0 ≤ v < 16.0.5266.100016.0.0 ≤ v < 16.57.2201110119.0.0 ≤ v < https://aka.ms/OfficeSecurityReleases2013 sp120162019
Affected range stops below 15.0.5415.1000, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.5266.1000, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.57.22011101, so it looks safe — our inference, not a vendor statement
Affected range stops below https://aka.ms/OfficeSecurityReleases, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.57.22011101, so it looks safe — our inference, not a vendor statement
Affected range stops below https://aka.ms/OfficeSecurityReleases, so it looks safe — our inference, not a vendor statement
16.0.1 ≤ v < 16.0.10382.2000416.0.1
Affected range stops below 16.0.10382.20004, so it looks safe — our inference, not a vendor statement
15.0.1 ≤ v < 15.0.5415.100015.0.1
Affected range stops below 15.0.5415.1000, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.0.5415.1000, so it looks safe — our inference, not a vendor statement
15.0.0 ≤ v < 15.0.5415.100015.0.0
Affected range stops below 15.0.5415.1000, so it looks safe — our inference, not a vendor statement
15.0.0 ≤ v < 15.0.5415.100016.0.0 ≤ v < 16.0.10382.2000416.0.0 ≤ v < 16.0.14326.2071416.0.0 ≤ v < 16.0.5266.10002013 sp120162019language_pack
Affected range stops below 15.0.5415.1000, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.10382.20004, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.14326.20714, so it looks safe — our inference, not a vendor statement
Affected range stops below 16.0.5266.1000, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
Vendor Advisory
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21840Source: af854a3a-2127-422b-91ae-364da2661108
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21840CVSS
8.8HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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