In Foxit Reader 10.1.0.37527, a specially crafted PDF document can trigger reuse of previously free memory which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 4.8 → 6.6 |
| 2026-07-21 | nvd | PR: L→N | 4.4 → 4.8 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 4.4 |
Affected Software
| Vendor | Product | Version |
|---|
| foxitsoftware | foxit_reader | 10.1.0.37527 |
| n/a | Foxit | Foxit Reader Version: 10.1.0.37527 |
Published: 2021-02-10