CVE-2018-8154 — A remote code execution vulnerability exists in Microsoft Exchange software when

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. This CVE ID is unique from CVE-201

01What is this vulnerability?

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. This CVE ID is unique from CVE-2018-8151.

02Affected products

Vendor	Product	Versions
Microsoft	Microsoft Exchange Server	2010 Service Pack 3 Update Rollup 21, 2013 Cumulative Update 19, 2013 Cumulative Update 20, 2013 Service Pack 1, 2016 Cumulative Update 8, 2016 Cumulative Update 9

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2018-05-09T19:00:00.000Z
• Last modified: 2024-08-05T06:46:13.709Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/104054
• www.securitytracker.com — http://www.securitytracker.com/id/1040850
• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8154