CVE-2020-26539
An issue was discovered in Foxit Reader and PhantomPDF before 10.1. When there is a multiple...
An issue was discovered in Foxit Reader and PhantomPDF before 10.1. When there is a multiple interpretation error for /V (in the Additional Action and Field dictionaries), a use-after-free can occur with resultant remote code execution (or an information leak).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Foxit Reader and PhantomPDF before 10.1. When there is a multiple interpretation error for /V (in the Additional Action and Field dictionaries), a use-after-free can occur with resultant remote code execution (or an information leak).
- Record
CVE-2020-26539- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Foxit Reader and PhantomPDF before 10.1. When there is a multiple interpretation error for /V (in the Additional Action and Field dictionaries), a use-after-free can occur with resultant remote code execution (or an information leak).
- Record
CVE-2020-26539- Updated
- 2026-11-02
EUVDEUVD-2020-19084 No score
An issue was discovered in Foxit Reader and PhantomPDF before 10.1. When there is a multiple interpretation error for /V (in the Additional Action and Field dictionaries), a use-after-free can occur with resultant remote code execution (or an information leak).
- Record
EUVD-2020-19084- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x9q9-5gcc-4mvx No score
An issue was discovered in Foxit Reader and PhantomPDF before 10.1. When there is a multiple...
An issue was discovered in Foxit Reader and PhantomPDF before 10.1. When there is a multiple interpretation error for /V (in the Additional Action and Field dictionaries), a use-after-free can occur with resultant remote code execution (or an information leak).
- Record
GHSA-x9q9-5gcc-4mvx- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-26539 is a critical vulnerability (CVSS 9.8) in Foxitsoftware Foxit Reader, published October 2, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.23%, the 82nd percentile. No source names a fixed version.