Security readout for executives and security teams
CVE-2017-8523 is a Microsoft Edge security feature bypass affecting older Windows 10 releases and Windows Server 2016. A user would need to be tricked into opening malicious web content. The issue involves Edge not correctly enforcing Same Origin Policy across HTML elements in other browser windows. Exposure is most likely where legacy Microsoft Edge is still used on the listed Windows versions, especially for browsing untrusted web content. Fully modernized or retired browser environments are likely less exposed, but source evidence does not define fixed versions. Treat as a legacy-browser exposure issue. It is not KEV-listed in the provided sources, but affected systems should be remediated or retired because browser same-origin failures can weaken a core web security boundary. Mitigation focus: Review Microsoft MSRC guidance for CVE-2017-8523.; Prioritize updating or retiring affected legacy Edge environments.; Limit use of affected Edge versions for untrusted browsing..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2017-8523 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8523CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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