High severity7.5NVD Advisory· Published Aug 15, 2018· Updated Jun 17, 2026

CVE-2018-8403

Description

A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka "Microsoft Browser Memory Corruption Vulnerability." This affects Internet Explorer 11, Microsoft Edge, Internet Explorer 10.

Affected products

Microsoft/Edgellm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: Windows 10 for 32-bit Systems
Microsoft/Internet Explorerllm-fuzzy3 versions
= 11+ 2 more
- (no CPE)range: = 11
- (no CPE)range: Windows Server 2012
- (no CPE)range: Windows 10 for 32-bit Systems

Patches

Vulnerability mechanics

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8403nvdPatchVendor Advisory
www.securityfocus.com/bid/105033nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1041457nvdThird Party AdvisoryVDB Entry

News mentions

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