CVE-2026-56862Published
Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages to force the server to keep pe…
Exact source revision recorded 25 Oct 2026 14:19:10 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
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CVE-2026-56862 · Microsoft / collected KEV context
nvd · CVE-2026-56862
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