The Hacker Newsinfo@thehackernews.com (The Hacker News)
Microsoft Defender zero day RoguePlanet triggers urgent patch work
Part of the RoguePlanet story · since 10 Jun
Quiet for 20 weekslast report 18 Jun8 articles5 outlets
- Wed 10 Jun, 06:47 UTC. The Hacker News, first report. Flaw in Microsoft Defender lets hackers gain SYSTEM on Windows.
- Wed 10 Jun, 10:50 UTC. Security Affairs, its first report on the story. RoguePlanet zero‑day in Defender lets attackers gain SYSTEM.
- Wed 10 Jun, 12:05 UTC. SecurityWeek, its first report on the story. Zero day RoguePlanet exploit targets Windows Defender for LPE.
- Wed 10 Jun, 17:11 UTC. Dark Reading, its first report on the story. Nightmare-Eclipse Drops Yet Another Microsoft Exploit, RoguePlanet.
- Wed 17 Jun, 10:10 UTC. SecurityWeek. Microsoft Defender bug CVE-2026-50656 allows admin takeover.
- Wed 17 Jun, 19:06 UTC. The Hacker News. Microsoft Defender zero day RoguePlanet triggers urgent patch work. This article, 6th of 8.
- Thu 18 Jun, 10:30 UTC. Security Affairs. Microsoft Defender Zero Day Lets Attackers Run SYSTEM Code.
- Thu 18 Jun, 13:30 UTC. Malwarebytes, its first report on the story. Microsoft Defender Bug CVE-2026-50656 Allows Full Windows Control.
This article confirms the existence of a zero-day vulnerability in Microsoft Defender, referred to as RoguePlanet. Microsoft has acknowledged the issue and announced that a patch is currently in development. The article emphasizes the importance of prompt action in addressing cybersecurity vulnerabilities and the need for organizations to stay informed about potential threats to their IT environments.
How the story developed
Quiet for 20 weekslast report 18 Jun8 articles5 outlets
8 articles from 5 outlets since 10 Jun. Quiet since 18 Jun. This was the 6th report, 8 days after the first.
- Wed 10 Jun, 06:47 UTC. The Hacker News, first report. Flaw in Microsoft Defender lets hackers gain SYSTEM on Windows.
- Wed 10 Jun, 10:50 UTC. Security Affairs, its first report on the story. RoguePlanet zero‑day in Defender lets attackers gain SYSTEM.
- Wed 10 Jun, 12:05 UTC. SecurityWeek, its first report on the story. Zero day RoguePlanet exploit targets Windows Defender for LPE.
- Wed 10 Jun, 17:11 UTC. Dark Reading, its first report on the story. Nightmare-Eclipse Drops Yet Another Microsoft Exploit, RoguePlanet.
- Wed 17 Jun, 10:10 UTC. SecurityWeek. Microsoft Defender bug CVE-2026-50656 allows admin takeover.
- Wed 17 Jun, 19:06 UTC. The Hacker News. Microsoft Defender zero day RoguePlanet triggers urgent patch work. This article, 6th of 8.
- Thu 18 Jun, 10:30 UTC. Security Affairs. Microsoft Defender Zero Day Lets Attackers Run SYSTEM Code.
- Thu 18 Jun, 13:30 UTC. Malwarebytes, its first report on the story. Microsoft Defender Bug CVE-2026-50656 Allows Full Windows Control.
- CVE not in KEV
- No CVE
- Larger: an outlet’s first report
- Coverage over time
- Quiet time, folded
Show all 8 articles as a listHide the list
- Wed 10 JunDay 04
- Flaw in Microsoft Defender lets hackers gain SYSTEM on Windows06:47 · The Hacker News · First report
- RoguePlanet zero‑day in Defender lets attackers gain SYSTEM10:50 · Security Affairs
- Zero day RoguePlanet exploit targets Windows Defender for LPE12:05 · SecurityWeek
- Nightmare-Eclipse Drops Yet Another Microsoft Exploit, RoguePlanet17:11 · Dark Reading
Quiet for 7 days
Wed 17 JunDay 72- Microsoft Defender bug CVE-2026-50656 allows admin takeover10:10 · SecurityWeek · Picked up again
- Microsoft Defender zero day RoguePlanet triggers urgent patch work19:06 · The Hacker News · This article, 6th of 8
- Thu 18 JunDay 82
- Microsoft Defender Zero Day Lets Attackers Run SYSTEM Code10:30 · Security Affairs
- Microsoft Defender Bug CVE-2026-50656 Allows Full Windows Control13:30 · Malwarebytes