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About Elevation of Privilege – Windows Task Scheduler (CVE-2024-49039) vulnerability

About Elevation of Privilege – Windows Task Scheduler (CVE-2024-49039) vulnerability. It was released on November Microsoft Patch Tuesday and showed signs of exploitation in the wild right away. To exploit the vulnerability, an authenticated attacker runs a specially crafted application on the target system. The attack can be performed from an AppContainer restricted environment. Using […]

Alexander V. Leonov
#vulnerability#windows#microsoft#git#backdoor#auth#firefox#blog

About Elevation of Privilege – Windows Task Scheduler (CVE-2024-49039) vulnerability. It was released on November Microsoft Patch Tuesday and showed signs of exploitation in the wild right away. To exploit the vulnerability, an authenticated attacker runs a specially crafted application on the target system. The attack can be performed from an AppContainer restricted environment. Using this vulnerability, an attacker can elevate their privileges to Medium Integrity level and gain the ability to execute RPC functions that are restricted to privileged accounts only.

ESET reports that the vulnerability allowed the RomCom attackers to execute malicious code outside the Firefox sandbox and then launch hidden PowerShell processes to download and run malware from C&C servers.

👾 There is a backdoor code on GitHub that exploits this vulnerability.

На русском

Hi! My name is Alexander and I am a Vulnerability Management specialist. You can read more about me here. Currently, the best way to follow me is my Telegram channel @avleonovcom. I update it more often than this site. If you haven’t used Telegram yet, give it a try. It’s great. You can discuss my posts or ask questions at @avleonovchat.

А всех русскоязычных я приглашаю в ещё один телеграмм канал @avleonovrus, первым делом теперь пишу туда.

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Alexander V. Leonov: Latest News

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