Windows Security Alert Issued After Microsoft Flags Critical Flaw in Windows 11 Version 24H2
The Pakistan Telecommunication Authority has issued a PTA Windows security alert following Microsoft’s urgent warning regarding a critical vulnerability in Windows 11 version 24H2. The flaw threatens devices installed using outdated physical media, leaving them vulnerable to cyber threats if not addressed swiftly.
According to the latest PTA Windows security alert, the vulnerability largely affects IT professionals, system administrators, and educational institutions that continue to rely on DVDs or USB drives for installing or updating Windows. Devices updated through online methods like Windows Update or the Microsoft Update Catalog are reportedly unaffected by the flaw. Microsoft has categorized this vulnerability as high-severity, with the attack vector specifically linked to the use of obsolete installation methods.
To mitigate the risk, the PTA strongly advises against using installation media containing updates from October or November 2024. Instead, users are urged to generate new installation media that incorporates the December 2024 security patch or newer. Microsoft further recommends that affected devices undergo a complete reinstallation using the updated media to restore their ability to receive critical security updates.
In addition to addressing the immediate threat, the PTA advisory underscores broader cybersecurity best practices. Organizations are advised to closely monitor network traffic for suspicious activity and any communications involving known malicious IP addresses or domains. Keeping antivirus and anti-malware software up to date, along with implementing multi-layered endpoint defenses, is strongly encouraged.
The PTA also emphasizes the critical importance of cybersecurity awareness among users. Regular employee training sessions are recommended, focusing on identifying phishing scams, promoting secure browsing habits, and exercising caution when connecting external devices.
This PTA Windows security alert highlights the increasingly complex landscape of digital vulnerabilities and reinforces the urgent need for proactive cybersecurity strategies across all sectors.

Manik Aftab is a writer for TechJuice, focusing on the intersections of education, finance, and broader social developments. He analyzes how technology is reshaping these critical sectors across Pakistan.