UNKNOWN Microsoft PoC
CVE-2026-87491
Chromium CVE-2026-87491: Out of bounds write in V8
Microsoft Security Update 2026-Sep: Chromium CVE-2026-87491: Out of bounds write in V8
Affected Products
- Microsoft Edge (Chromium-based)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87491
- https://nvd.nist.gov/vuln/detail/CVE-2026-87491
This unknown severity vulnerability was published on 2026-09-08 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. Affected: Microsoft Edge (Chromium-based).
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