Exploit for CVE-2026-34621

CVE-2026-34621 — Windows PoC Prototype Pollution in Adobe A...

CVE-2026-34621

Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes 'Prototype Pollution' vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue...

⚡ Weekly Recap: Fiber Optic Spying, Windows Rootkit, AI Vulnerability Hunting and More

Monday is back, and the weekend’s backlog of chaos is officially hitting the fan. We are tracking a critical zero-day that has been quietly living in your PDFs for months, plus some aggressive state-sponsored meddling in infrastructure that is finally coming to light. It is one of those mornings...

Simply opening a PDF could trigger this Adobe Reader zero-day

Opening the wrong PDF in Adobe Reader was enough to let criminals quietly spy on your computer and unleash more attacks, even though everything looked normal. A researcher analyzed a malicious PDF and found that it abused a previously unknown flaw a “zero‑day” in Adobe Acrobat Reader. When a vict...

Vulnerability fixed in Adobe Acrobat

Adobe has fixed a vulnerability in Adobe Acrobat DC, Actobat Reader DC and Acrobat 2024. A malicious party can exploit the vulnerability to execute arbitrary code on the victim's system. To do this, the malicious party needs to get the victim to open a rogue PDF file. A rogue PDF file uploaded on...

BIT-GOLANG-2026-32288 Unbounded allocation for old GNU sparse in archive/tar

tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format...

VulnCheck KEV: CVE-2020-9715

Adobe Acrobat and Reader versions 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and earlier, and 2015.006.30523 and earlier have an use-after-free vulnerability. Successful exploitation could lead to arbitrary code execution...

Adobe Acrobat and Reader Prototype Pollution Vulnerability

Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution...

Adobe Patches Actively Exploited Acrobat Reader Flaw CVE-2026-34621

Adobe has released emergency updates to fix a critical security flaw in Acrobat Reader that has come under active exploitation in the wild. The vulnerability, assigned the CVE identifier CVE-2026-34621 , carries a CVSS score of 8.6 out of 10.0. Successful exploitation of the flaw could allow an...

EUVD-2026-21675

Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes 'Prototype Pollution' vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue...

CVE-2026-34621

Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes 'Prototype Pollution' vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue...

CVE-2026-34621 Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes 'Prototype Pollution' vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue...

CVE-2026-34621 Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes 'Prototype Pollution' vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue...

CVE-2026-34621

CVE-2026-34621 — Adobe Acrobat/Reader Prototype Pollution affects Acrobat Reader DC/Acrobat DC on Windows and macOS. Affected: Acrobat Reader DC 26.001.21367 and earlier; Acrobat DC 26.001.21367 and earlier; Acrobat 2024 24.001.30356 and earlier. Root cause: Improperly Controlled Modification of ...

CVE-2026-34621

Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes 'Prototype Pollution' vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue...

Adobe Reader < 26.001.21411 Vulnerability (APSB26-43)

The version of Adobe Reader installed on the remote Windows host is a version prior to 26.001.21411. It is, therefore, affected by a vulnerability. - Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes...

Adobe Acrobat Reader 安全漏洞

Adobe Acrobat Reader is a PDF viewer developed by Adobe Inc. in the United States. This software is used for printing, signing, and annotating PDF documents. Versions of Adobe Acrobat Reader such as 24.001.30356, 26.001.21367, and earlier versions have security vulnerabilities. These...

KLA90977 ACE vulnerability in Adobe Acrobat Reader

A remote code execution vulnerability was found in Adobe Acrobat Reader. Malicious users can exploit this vulnerability to execute arbitrary code. Original advisories APSB26-43 Exploitation Public exploits exist for this vulnerability. Malware exists for this vulnerability. Usually such malware i...

Adobe Reader < 26.001.21411 Vulnerability (APSB26-43) (macOS)

The version of Adobe Reader installed on the remote macOS host is a version prior to 26.001.21411. It is, therefore, affected by a vulnerability. - Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes...

APSB26-43 : Security update available for Adobe Acrobat Reader

Adobe has released a security update for Adobe Acrobat and Reader for Windows and macOS. This update addresses a critical vulnerability. Successful exploitation could lead to arbitrary code execution...