CVE-2020-9713: Out-of-bounds Read

Adobe Acrobat and Reader versions 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and earlier, and 2015.006.30523 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose...

Adobe Reader < 26.001.21662 Multiple Vulnerabilities (APSB26-63)

The version of Adobe Reader installed on the remote Windows host is a version prior to 26.001.21662. It is, therefore, affected by multiple vulnerabilities. - Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Stack-based Buffer Overflow vulnerability that could resu...

Adobe Reader < 26.001.21662 Multiple Vulnerabilities (APSB26-63) (macOS)

The version of Adobe Reader installed on the remote macOS host is a version prior to 26.001.21662. It is, therefore, affected by multiple vulnerabilities. - Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Stack-based Buffer Overflow vulnerability that could result...

APSB26-63 : 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 critical and important vulnerabilities. Successful exploitation could lead to arbitrary code execution, application denial-of-service, and memory exposure. Adobe is not aware of any...

The vulnerability of Adobe Reader, a PDF viewer program, and Adobe Acrobat, a PDF editing program, is related to buffer overflow attacks. This allows attackers to execute arbitrary code.

The vulnerability of Adobe Reader, a PDF viewer software, and Adobe Acrobat, a PDF editing program, is related to buffer overflow attacks. Exploiting this vulnerability allows an attacker to execute arbitrary code remotely...

May "In the Trend of VM" (#27): high-profile vulnerabilities in Linux, ActiveMQ, SharePoint, and Adobe Acrobat Reader

May "In the Trend of VM" 27: high-profile vulnerabilities in Linux, ActiveMQ, SharePoint, and Adobe Acrobat Reader. Presenting the traditional monthly roundup of trending vulnerabilities according to Positive Technologies. While the previous April edition featured only one vulnerability, this one...

Patch Tuesday, April 2026 Edition

Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a SharePoint Server zero-day and a publicly disclosed weakness in Windows Defender dubbed "BlueHammer." Separately, Google Chrome fixed its...

About Remote Code Execution - Adobe Reader (CVE-2026-34621) vulnerability

About Remote Code Execution - Adobe Reader CVE-2026-34621 vulnerability. Adobe Acrobat Reader from 2003 to 2015, "Adobe Reader" is a free PDF viewer developed by Adobe. Versions are available for Windows, macOS, Android, and iOS. The remote code execution vulnerability in Adobe Acrobat for Window...

Adobe Reader < 26.001.21431 Multiple Vulnerabilities (APSB26-44) (macOS)

The version of Adobe Reader installed on the remote macOS host is a version prior to 26.001.21431. It is, therefore, affected by multiple vulnerabilities. - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly Controlled Modification of Object...

Adobe Reader < 26.001.21431 Multiple Vulnerabilities (APSB26-44)

The version of Adobe Reader installed on the remote Windows host is a version prior to 26.001.21431. It is, therefore, affected by multiple vulnerabilities. - Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly Controlled Modification of Obje...

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...

VulnCheck KEV: CVE-2020-9715

Adobe Acrobat contains a use-after-free vulnerability that allows for code execution...

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...

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...

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. Adobe is aware of CVE-2026-34621 being exploited in the wild...

The vulnerability in the application programming interface of util.readFileIntoStream(), a function in the Adobe Reader PDF file viewing and editing software, allows a perpetrator to execute arbitrary JavaScript code.

The vulnerability of the application programming interface util.readFileIntoStream in the Adobe Reader PDF file viewing and editing software is related to uncontrolled changes to object prototype attributes. Exploiting this vulnerability could allow a malicious actor to execute arbitrary JavaScri...

Adobe Reader Zero-Day Exploited to Steal Data via Malicious PDFs

An Adobe Reader zero-day vulnerability is being actively exploited via malicious PDFs, allowing hackers to steal data without user interaction, with no patch available...

Adobe Reader Zero-Day Exploited via Malicious PDFs Since December 2025

Threat actors have been exploiting a previously unknown zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December 2025. The finding, detailed by EXPMON's Haifei Li, has been described as a highly-sophisticated PDF exploit. The artifact "Invoice540.pdf"...

PT-2026-32051

Уязвимость прикладного программного интерфейса util.readFileIntoStream программы просмотра и редактирования PDF-файлов Adobe Reader связана с выходом операции за границы буфера в памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнить произвольный JavaScript-к...

CVE-2026-34621

creationtimestamp| type| source ---|---|--- 2026-04-07 04:00:00+00:00| published-proof-of-concept| https://justhaifei1.blogspot.com/2026/04/expmon-detected-sophisticated-zero-day-adobe-reader.html 2026-04-11 04:00:00+00:00| exploited| https://helpx.adobe.com/security/products/acrobat/apsb26-43.ht...