CVE-2026-20727
Kernel null-pointer bug in Intel PROSet WiFi driver enabling local/adjacent denial-of-service.
Is CVE-2026-20727 being exploited?
Not confirmed. CVE-2026-20727 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-20727?
CVE-2026-20727 is rated High. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-20727?
Yes. A fix has been recorded for CVE-2026-20727. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-20727 affect?
CVE-2026-20727 affects Intel PROSet/Wireless WiFi Software for Windows, Windows systems with Intel WiFi adapters. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-20727?
Apply vendor driver update when released; segment Wi‑Fi and block untrusted clients.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Adjacent/unprivileged attacker can trigger kernel null-pointer dereference causing system crash/BSOD and denial of service.
Patch when possible
- affectedSee references
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.