CVE-2026-34626
MediumCVSS 6.3Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by a Prototype Pollution vulnerability that could result in arbitrary file system read in the context of the current user. Exploitation requires user interaction – the victim must open a malicious file.
Risk Assessment
Risk of unauthorized file read on the user's system, potentially leading to sensitive data leakage.
Recommendation
It is recommended to update Acrobat Reader to the latest version and educate users to open only trusted files.
Other vulnerabilities in Adobe Acrobat Reader
See all- CVE-2017-3123High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier contain an exploitable memory corruption vulnerability in the image conversion engine when processing Enhanced Metafile Format (EMF) data drawing position definition. Successful exploitation could lead to arbitrary code execution.
- CVE-2017-3121High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have an exploitable memory corruption vulnerability in the Enhanced Metafile Format (EMF) parser. Successful exploitation could lead to arbitrary code execution.
- CVE-2017-3120High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have an exploitable use after free vulnerability in the XFA parsing engine when handling certain types of internal instructions. Successful exploitation could lead to arbitrary code execution.
- CVE-2017-3119High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have an exploitable memory corruption vulnerability in the Acrobat/Reader 11.0.19 engine. Successful exploitation could lead to arbitrary code execution.
- CVE-2017-3117High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have an exploitable heap overflow vulnerability in the plugin that handles links within PDF files. Successful exploitation could lead to arbitrary code execution.
- CVE-2017-3116High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have an exploitable memory corruption vulnerability in the MakeAccessible plugin when parsing TrueType font data. Successful exploitation could lead to arbitrary code execution.
- CVE-2017-3113High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have an exploitable use after free vulnerability in the JavaScript engine when creating large strings. Successful exploitation could lead to arbitrary code execution.
- CVE-2017-3016High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have an exploitable memory corruption vulnerability. Successful exploitation could lead to arbitrary code execution.
- CVE-2017-11271High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have an exploitable memory corruption vulnerability in the image conversion engine when processing Enhanced Metafile Format (EMF) data. Successful exploitation could lead to arbitrary code execution.
- CVE-2017-11270High
Adobe Acrobat Reader versions 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier have an exploitable memory corruption vulnerability in the image conversion engine when processing Enhanced Metafile Format (EMF) private data representing icons. Successful exploitation could lead to arbitrary code execution.
Original NVD description (English source)
Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary file system read in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.