High severity7.8NVD Advisory· Published Nov 14, 2018· Updated Jun 17, 2026

CVE-2018-8577

Description

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.

Affected products

Microsoft/Office 365 ProPlusllm-fuzzy
Microsoft/Officellm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 365 ProPlus for 32-bit Systems
Microsoft/Excelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: Services on Microsoft SharePoint Server 2010 Service Pack 2
Microsoft/Excel 2007 SP3cpe-rescue
Range: 2010 Service Pack 2 (32-bit editions)
Microsoft/Excel Viewercpe-rescue
Range: 2007 Service Pack 3
Microsoft/Office Visiocpe-rescue
Range: 2010 Service Pack 2 (32-bit editions)

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8577nvdPatchVendor Advisory
www.securityfocus.com/bid/105834nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1042134nvdThird Party AdvisoryVDB Entry

News mentions

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epss	0.015
exploit	0.000
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ransomware	0.000