CVE-2021-41348: Microsoft Exchange Server Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 8)

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Oct

Released

2021-10-12

EPSS Score

0.41% (percentile: 61.1%)

Affected Products (4)

Server Software

• Microsoft Exchange Server 2016 Cumulative Update 21
• Microsoft Exchange Server 2019 Cumulative Update 10
• Microsoft Exchange Server 2019 Cumulative Update 11
• Microsoft Exchange Server 2016 Cumulative Update 22

Security Updates (4)

• 5007012
• 5007012
• 5007012
• 5007012

Revision History

• 2021-10-12: Information published.