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#2 Dark Reading general April 13, 2026 at 20:52 UTC

Adobe Patches Actively Exploited Zero-Day That Lingered for Months

By Jai Vijayan

AI Summary

Adobe patched CVE-2026-34621, a zero-day vulnerability in Acrobat and Reader that attackers exploited for at least four months using maliciously crafted PDF files. The emergency fix addresses a critical flaw that allowed arbitrary code execution, highlighting the extended exposure window organizations faced from this actively exploited vulnerability.

Read full article → https://www.darkreading.com/application-security/a…

Relevance score: 92.0/100

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