CVE-2018-8302Exchange Server Out-of-Bounds Write
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.
Published Aug 15, 2018 · Updated Nov 21, 2024
Key Facts
Patch in the next maintenance window- CVE-2018-8302 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Exchange Server (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 26% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Scores
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
26%
Higher than 97.9% of all scored CVEs
Exploit maturity
None known
ATLAS score
37/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
None known
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
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.
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Exchange ServerMicrosoft | 2010-sp3, 2013-cumulative_update_20, 2013-cumulative_update_21, 2016-cumulative_update_10, 2016-cumulative_update_9, >= 2010 Service Pack 3 Update Rollup 23 | n/a |
Timeline
Publicly disclosed
Aug 15, 2018
Last updated
Nov 21, 2024
Weakness Type
- CWE-787 Out-of-bounds Write
References
- advisory104973
- advisory1041468
- patchportal.msrc.microsoft.com · CVE-2018-8302
FAQ
Common Questions.
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.
Affected: Exchange Server (Microsoft) versions 2010-sp3, 2013-cumulative_update_20, 2013-cumulative_update_21, 2016-cumulative_update_10, 2016-cumulative_update_9, >= 2010 Service Pack 3 Update Rollup 23. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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