CVE-2022-21978
Microsoft Exchange Server Elevation of Privilege Vulnerability
HIGH
8.2
CVSS Score
Published: May 10, 2022 at 08:33 PM UTC
Updated: June 17, 2026 at 04:27 AM UTC
1 product affected across 1 vendorExchange Server
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Severity
HIGH8.2
Exploit prediction
EPSS 0.9%
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
15.0.0 ≤ v < 15.01.2375.02815.00.0 ≤ v < 15.00.1497.3615.01.0 ≤ v < 15.01.2507.00915.02.0 ≤ v < 15.02.0986.02615.02.0 ≤ v < 15.02.1118.00915.0.015.00.015.01.015.02.02013 cumulative_update_232016 cumulative_update_222016 cumulative_update_232019 cumulative_update_112019 cumulative_update_12
Affected range stops below 15.00.1497.36, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.01.2375.028, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.01.2507.009, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.02.0986.026, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.02.1118.009, 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:
References (2)
Vendor Advisory
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21978PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21978CVSS
8.2HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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