Type Vulnerability
New Windows SignDrop zero-day gives hackers SYSTEM privileges
1 source
At a glance
Low
30-day window, from the last update
Evidence-weighted, not popularity
Why Low
Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.
Briefing
- IT leaders should assess whether their Windows systems are vulnerable to this exploit and consider monitoring for related activity.
Next steps
- Confirm whether this affects systems or suppliers in your estate
- The exploit targets Windows systems and enables attackers to achieve SYSTEM privileges.
Next steps
- Review the advisory against your asset inventory and patch cadence
Summary
- A new Windows zero-day exploit has been released by security researcher Abdelhamid Naceri, which could allow attackers to gain SYSTEM privileges.
Read the original reportBleepingComputer(opens in a new tab)
Pulse
Last change 2h ago · Next recheck 13 Nov 2026, 16:24 UK time
- Story12 Nov 2026, 16:24 UK time · 2h ago
Linked reporting from BleepingComputer (independent original reporting).
Read source (BleepingComputer)
1 entry so far. The timeline chart appears once this story has more history.
Sources
- BleepingComputerNews
New Windows SignDrop zero-day gives hackers SYSTEM privileges
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
New Windows SignDrop zero-day gives hackers SYSTEM privileges
- ProbableSummary fact75% confidence
Security researcher Abdelhamid Naceri (also known as Nightmare Eclipse) has released a new Windows zero-day exploit that can let attackers gain SYSTEM privileges.