CVE-2026-111497 ← All CVEs & products

Posts about CVE-2026-111497

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Critical Nov 12, 2026

CVE-2026-111497: Update Windows, .NET and related products to address a Brotli flaw

Microsoft disclosed CVE-2026-111497, an out-of-bounds write in the Brotli decoder used by .NET that could enable elevation of privilege over a network. Exposure requires an application to use Brotli decompression; check affected products and versions, then install the applicable update.

CVE-2026-111497 .NET Windows