Vulnerability · Published May 10, 2022 · Assigned by microsoft

CVE-2022-21978Microsoft Exchange Server Elevation of Privilege Vulnerability

High 8.2

In plain English

A high-severity security flaw in Microsoft Exchange Server 2013 Cumulative Update 23 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.9%top 41.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Microsoft Exchange Server Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft Exchange Server 2016 Cumulative Update 22 15.0.0 – before 15.01.2375.028
Microsoft Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0 – before 15.02.0986.026
Microsoft Microsoft Exchange Server 2013 Cumulative Update 23 15.00.0 – before 15.00.1497.36
Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0 – before 15.01.2507.009
Microsoft Microsoft Exchange Server 2019 Cumulative Update 12 15.02.0 – before 15.02.1118.009

References