CVE-2026-48373
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Risk Assessment
An attacker could take control of the victim's system, installing malware or stealing data.
Recommendation
Update Acrobat Reader to the latest version and instruct users not to open files from untrusted sources.
Other vulnerabilities in Acrobat Reader
See all- CVE-2026-47965High
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- CVE-2026-47961Medium
Out-of-bounds read vulnerability in Acrobat Reader (versions 24.001.30365, 26.001.21651 and earlier). An attacker can leverage this to disclose sensitive memory contents. User interaction is required – the victim must open a malicious file.
- CVE-2026-47959High
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a stack-based buffer overflow vulnerability. This could allow arbitrary code execution in the context of the current user after opening a malicious file.
- CVE-2026-47955High
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Use After Free vulnerability. This could allow arbitrary code execution in the context of the current user after opening a malicious file.
- CVE-2026-47952High
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a heap-based buffer overflow vulnerability. This could allow arbitrary code execution in the context of the current user after opening a malicious file.
- CVE-2026-47925Medium
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. Exploitation requires user interaction – opening a malicious file.
- CVE-2026-47923Medium
Acrobat Reader versions 24.001.30365, 26.001.21651 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 sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
- CVE-2026-47921High
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Use After Free vulnerability. This could allow arbitrary code execution in the context of the current user after opening a malicious file.
- CVE-2026-47920High
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Use After Free vulnerability. This could allow arbitrary code execution in the context of the current user after opening a malicious file.
- CVE-2026-47919High
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Use After Free vulnerability that could allow remote code execution in the context of the current user. User interaction is required – opening a malicious file.
Original NVD description (English source)
Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.