CVE-2018-8577

high-risk
Published 2018-11-14

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel. This CVE ID is unique from CVE-2018-8574.

Do I need to act?

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32.8% chance of exploitation in next 30 days
EPSS score — higher than 67% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (15)

Affected Vendors

Microsoft

References (6)

Third Party Advisory http://www.securityfocus.com/bid/105834
Third Party Advisory http://www.securitytracker.com/id/1042134
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8577
Third Party Advisory http://www.securityfocus.com/bid/105834
Third Party Advisory http://www.securitytracker.com/id/1042134
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8577
58
/ 100
high-risk
Severity 24/34 · High
Exploitability 16/34 · Moderate
Exposure 18/34 · Moderate