Adobe has patched a serious zero-day vulnerability in PDF software that hackers had been actively exploiting for at least five months. The exploit campaign targeted victims since November 2025, though the full scope of compromises remains unclear. This critical security fix addresses a significant threat to PDF users worldwide.
Background
Zero-day vulnerabilities are previously unknown security flaws that attackers exploit before developers can create patches. Adobe PDF software is widely used globally for document viewing and creation.
- Source
- TechCrunch
- Published
- Apr 14, 2026 at 10:35 PM
- Score
- 8.0 / 10