Buffer overflow in Microsoft Exchange Server
CVE-2019-0586
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.154 (96.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.154 · newest: 0.154 · change: 0.000
Affected products
- Microsoft Exchange Server — versions 2016, 2019
- Microsoft Exchange Server — versions 2016 Cumulative Update 10, 2016 Cumulative Update 11, 2019
Weakness classification (CWE)
References
- www.securityfocus.com/bid/106421 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0586 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-0586?
- CVE-2019-0586 is a critical-severity vulnerability in Microsoft Exchange Server, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-01-08.
- How severe is CVE-2019-0586?
- Critical severity. CVSS v3 base score is 9.8 out of 10.