Adobe rolls out emergency fix for Acrobat, Reader zero-day flaw

Adobe has released an emergency security update for Acrobat Reader to fix a vulnerability, tracked as CVE-2026-34621, that ...

Months-old Adobe Reader zero-day uses PDFs to size up targets

Hackers have been quietly exploiting what appears to be a zero-day in Adobe Acrobat Reader for months, using booby-trapped PDFs to profile targets and decide who's worth fully compromising.
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Adobe patches critical Acrobat zero-day exploited in the wild since late 2025.

The vulnerability, assigned the CVE identifier CVE-2026-34621, carries a CVSS score of 9.6 out of 10.0. Successful ...
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Adobe Kills 16 Critical Flaws in Acrobat and Reader, Digital Negative SDK

Adobe patched 36 flaws, including critical vulnerabilities in Acrobat and Reader and its DNG Software Development Kit. Adobe has fixed 16 critical flaws across its Acrobat and Reader applications and ...