CVE-2023-21764 : Microsoft Exchange Server Elevation of Privilege Vulnerability

Microsoft Exchange Server Elevation of Privilege Vulnerability

Published 2023-01-10 22:15:19

Updated 2024-05-29 03:15:31

View at NVD, CVE.org

Vulnerability category: Gain privilege

Products affected by CVE-2023-21764

Microsoft » Exchange Server » Version: 2019 Update Cumulative Update 11
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2019 Update Cumulative Update 12
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_12:*:*:*:*:*:*
Matching versions
Microsoft » Exchange Server » Version: 2016 Update Cumulative Update 23
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_23:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 25 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	Microsoft Corporation
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-426 Untrusted Search Path

The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.

Assigned by: secure@microsoft.com (Secondary)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21764

CVE-2023-21764 - Security Update Guide - Microsoft - Microsoft Exchange Server Elevation of Privilege Vulnerability

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