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Wire · technology

PaperCut Zero-Day Exploited in Attacks, Affecting All NG and MF Versions

28 August 2026 · By · Wire by Fusion42

Published

28 August 2026

Topic

technology

◆ Sectors

Enterprise Software

◆ Source

Read at thehackernews.com →

◆ Verified

Fusion42 · 29 August 2026 · Fusion42 review

A critical zero-day vulnerability in all versions of PaperCut NG and MF print management software is being actively exploited, prompting the company to release emergency patches and urge immediate network access restrictions.

This Wire brief sits within Fusion42's coverage of Enterprise Software, and 2 sources have reported it between 27 Aug 2026 and 28 Aug 2026.

◆ ◆ The Wire takeaway

Your network controls just became your frontline defence. You need to block all untrusted IPs from PaperCut servers this week to avoid active zero-day exploits.

◆ Coverage

2 sources · first reported 27 Aug 2026 · latest 28 Aug 2026

◆ Related on Wire

◆ Topics

Enterprise Softwarepapercutzero-daycyberattackprint-managementsecurity-patch