As of January 2026, cybersecurity experts, including Google Threat Intelligence , are reporting active, widespread exploitation of a six-month-old vulnerability in WinRAR.

It supports high compression ratios, solid archiving (which boosts compression for many small files), and robust error recovery, allowing damaged archives to be repaired.

Nation-state groups and financially motivated cybercriminals are actively using this defect, primarily targeting military, government, and technology sectors for espionage.

A path-traversal vulnerability allows attackers to create specially crafted archive files that, when opened, can execute malicious code on the victim's computer.

The flaw affects versions of WinRAR prior to 7.13 , which was released in mid-2025.

Unlike ZIP, the RAR format is proprietary, although the extraction code is open-source.

RAR files themselves are not inherently dangerous, but like any compressed format, they can disguise malware. In this case, the vulnerability allows the extraction process to trigger malicious activity.

Eugene Roshal launched RAR in 1995, and it has remained a popular compression format for over three decades.

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As of January 2026, cybersecurity experts, including Google Threat Intelligence , are reporting active, widespread exploitation of a six-month-old vulnerability in WinRAR.

It supports high compression ratios, solid archiving (which boosts compression for many small files), and robust error recovery, allowing damaged archives to be repaired.

Nation-state groups and financially motivated cybercriminals are actively using this defect, primarily targeting military, government, and technology sectors for espionage. Gztgbzukbzbuzbgu rar

A path-traversal vulnerability allows attackers to create specially crafted archive files that, when opened, can execute malicious code on the victim's computer.

The flaw affects versions of WinRAR prior to 7.13 , which was released in mid-2025. As of January 2026, cybersecurity experts, including Google

Unlike ZIP, the RAR format is proprietary, although the extraction code is open-source.

RAR files themselves are not inherently dangerous, but like any compressed format, they can disguise malware. In this case, the vulnerability allows the extraction process to trigger malicious activity. RAR files themselves are not inherently dangerous, but

Eugene Roshal launched RAR in 1995, and it has remained a popular compression format for over three decades.