CVE-2026-61407
Local privilege escalation via exposed IOCTL in Dell Watchdog Timer Driver.
Is CVE-2026-61407 being exploited?
Not confirmed. CVE-2026-61407 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 0.10% probability of exploitation in the next 30 days.
How severe is CVE-2026-61407?
CVE-2026-61407 is rated High with a CVSS score of 8.8. 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-2026-61407?
Yes. A fix has been recorded for CVE-2026-61407. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-61407 affect?
CVE-2026-61407 affects Dell Watchdog Timer Driver < 2.0.0.1, Windows systems on Dell devices with the driver installed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-61407?
Update driver to 2.0.0.1 or later; restrict local user access until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privileged local attacker can exploit an exposed IOCTL to escalate to SYSTEM/administrator on affected Dell machines.
Immediate action required
- affected< 2.0.0.1
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.