追記すべき情報がある場合には、その都度このページを更新する予定です。 概要 2026年9月9日（日本時間）に Adobe Acrobat および Reader に関するセキュリティ更新プログラムが公表されています。

Stabilität Adobe Acrobat stürzt beim Start ab. Viewer Ein Lesezeichen in einer PDF-Datei führt zu einer Seitenänderung in der anderen PDF-Datei, wenn dieselbe PDF-Datei zweimal in verschiedenen ...

Für den Acrobat und Acrobat Reader hat Adobe ein weiteres Update bereitgestellt. Mit diesem Update ändert sich erstmals seit März die Zahl von 26.001 auf 26.002. Die Versionsnummer insgesamt ist die ...

When you’re dealing with PDFs, you’ve almost certainly come across two names: Adobe Acrobat and Adobe Reader. They sound similar, both come from Adobe, and both handle PDF files. So, what’s the big ...

Adobe has patched a vulnerability in its flagship document-reading apps, Acrobat DC, Reader DC and Acrobat 2024, that hackers have been actively exploiting for at least four months. The vulnerability, ...

Adobe has released an emergency security update for Acrobat Reader to fix a vulnerability, tracked as CVE-2026-34621, that has been exploited in zero-day attacks since at least December. The flaw ...

CVE-2026-34621 is a critical prototype pollution vulnerability – a type of vulnerability that occurs in JavaScript and allows attackers to add or modify an application’s JavaScript objects and ...

Adobe addressed a critical Acrobat Reader vulnerability, tracked as CVE-2026-34621, which is actively exploited to run malicious code. Adobe released emergency updates to address a critical ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. This voice experience is generated by AI. Learn more. This ...

Original story from April 10th, 2026: According to BleepingComputer, there’s a serious vulnerability in Acrobat Reader that can be exploited to steal sensitive data. Security researcher Haifei Li says ...

A critical Adobe Acrobat zero-day has been exploited for months via malicious PDFs to steal data and potentially take over systems, with no patch yet available. Image: Generated via Google’s Nano ...

Unknown attackers have exploited a zero-day Adobe Acrobat Reader vulnerability since November 2025 and possibly even earlier, security researcher Haifei Li has discovered. Haifei Li is one of the ...