CVE-2019-0588

Name: CVE-2019-0588
Creator: NVD / NIST
Published: 2019-01-08T21:29:02.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 4.63%

Last modified Jun 17, 2026

CVE-2019-0588 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An information disclosure vulnerability exists when the Microsoft Exchange PowerShell API grants calendar contributors more view permissions than intended, aka "Microsoft Exchange Information Disclosure Vulnerability." This affects Microsoft Exchange Server.. EPSS estimates a 4.63% chance of exploitation in the next 30 days.

Description

An information disclosure vulnerability exists when the Microsoft Exchange PowerShell API grants calendar contributors more view permissions than intended, aka "Microsoft Exchange Information Disclosure Vulnerability." This affects Microsoft Exchange Server.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

4.63%

90.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions	Update
Microsoft	Exchange Server	2010	Sp3 Rollup25
Microsoft	Exchange Server	2013	Cumulative Update 21
Microsoft	Exchange Server	2016	Cumulative Update 10
Microsoft	Exchange Server	2019	—

References

http://www.securityfocus.com/bid/106437Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0588Patch, Vendor Advisory
http://www.securityfocus.com/bid/106437Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0588Patch, Vendor Advisory

Timeline

Published: Jan 8, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-0588?

How severe is CVE-2019-0588?

CVE-2019-0588 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 4.63% probability of exploitation in the next 30 days.

How do I fix CVE-2019-0588?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-0588?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST