CVE-2019-0586: microsoft exchange_server Out-of-bounds Write
CVSS: 10.0v2.0HighModified
Published 08-01-2019Last modified 04-08-2024
Vulnerability summary
CVE-2019-0586 is a high (CVSS 10.0) Out-of-bounds Write vulnerability in microsoft exchange_server. EPSS estimates a 15.40% chance of exploitation in the next 30 days, higher than 96.7% of scored vulnerabilities.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
15.40%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-01-2019PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka "Microsoft Exchange Memory Corruption Vulnerability." This affects Microsoft Exchange Server.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
15.40%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 15.40% on 18-09-2026
18-09-202618-10-2026
EPSS score15.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft2 products
- exchange_serverEOL2016:cumulative_update_10 | 2016:cumulative_update_11 | 2019
- microsoft exchange server2016 Cumulative Update 10 | 2016 Cumulative Update 11 | 2019
1 vendor · 2 products
References
2 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0586X Refsource CONFIRMPatchVendor Advisory