CVE-2018-8265 in the critical feed json
A remote code execution vulnerability exists in the way Microsoft Exchange software parses specially crafted email messages, aka "Microsoft…
published 2018-10-10 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19931
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 19.3%
- EPSS 19.3% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in the way Microsoft Exchange software parses specially crafted email messages, aka "Microsoft Exchange Remote Code Execution Vulnerability." This affects Microsoft Exchange Server.
Patch / fix
Exploit prediction
19.27% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Microsoft Exchange Server
Classification
- Weakness
-
- CWE-20 Improper Input Validation
- Technology feeds
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8265
patch, vendor-advisory
-
securityfocus.com
/bid/105491
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041836
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8265
- NVD CVE-2018-8265
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.