CVE-2021-33768

Microsoft Exchange Server Elevation of Privilege Vulnerability

Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

8.0

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.29%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 9

Affected: Microsoft Microsoft Exchange Server 2016 Cumulative Update 20

Affected: Microsoft Microsoft Exchange Server 2016 Cumulative Update 21

Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 10

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33768	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-33768?: CVE-2021-33768 has been scored as a high severity vulnerability.
How to fix CVE-2021-33768?: To fix CVE-2021-33768, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33768 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-33768 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33768?: CVE-2021-33768 affects Microsoft Microsoft Exchange Server 2019 Cumulative Update 9, Microsoft Microsoft Exchange Server 2016 Cumulative Update 20, Microsoft Microsoft Exchange Server 2016 Cumulative Update 21, Microsoft Microsoft Exchange Server 2019 Cumulative Update 10.

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