Privasys rustls fork: RA-TLS challenge mode did not bind attestation evidence to the TLS session
High-risk advisory
CVE-2026-108266
Summary
Privasys rustls fork: RA-TLS challenge mode did not bind attestation evidence to the TLS session Published in October 2026 Security Updates.
Why it matters
Microsoft published this item through its Security Update Guide, making it part of Patch Tuesday triage for affected Windows, cloud, or application estates. EPSS percentile: 2%.
Operator check
Review the Microsoft Security Update Guide entry for CVE-2026-108266. Confirm whether Mariner is deployed, then apply the current security update or documented mitigation. EPSS probability: 0.1%; percentile: 2%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.