An attacker has been using maliciously crafted PDF files to exploit a zero-day in Adobe Acrobat and Reader for at least four ...
Adobe released emergency patches for CVE-2026-34621, a critical Acrobat and Reader zero-day that has been exploited in the wild.
Adobe patches CVE-2026-34621 after active exploitation since Dec 2025, preventing remote code execution via malicious PDFs.
Now a security researcher says a Reader hole has been quietly exploited by malware for as long as four months, fingerprinting ...
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