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CVE

CVE-2018-8403

A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka "Microsoft

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.

HIGH · CVSS 7.5 EPSS 0.20394
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  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
microsoft internet explorerall versions
microsoft edgeall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumInternet Explorer DisableFirstRunCustomize Enabled
productmediumInternet Explorer Autorun Keys Modification
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Aug 2018 · 05:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
msrcCVE-2018-8403Remote Code Execution
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/105033Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041457Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8403PatchVendor Advisory
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