CVE-2025-9326: Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
Telemetry drift only. No threshold crossed and no authority ruling changed.
CVE record loaded 2026-09-20.
What to do now held facts and links
- Upgrade to pdf reader 2025.1.0.27937 or later upper bounds of the CVE record's affected ranges
- Record your decision, dated and frozen with today's evidence: patch by a date · mitigated by a compensating control · deferred · accepted the risk · not affected
- Check your version against the ranges this record publishes.
What it is stated by the CNA
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PRC files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26784.
- weakness
- CWE-125: Out-of-bounds Read
- affected
- Foxit PDF Reader
- versions
- Foxit PDF Reader 2024.4.0.27683
- published ranges
- foxit pdf editor <= 13.1.7.23637; foxit pdf editor >= 2023.1.0.15510 <= 2023.3.0.23028; foxit pdf editor >= 2024.1.0.23997 <= 2024.4.1.27687; foxit pdf editor 2025.1.0.27937; and 6 more on the CVE page
- first unaffected version, by branch
- pdf reader 2025.1.0.27937
- severity
- 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- assigned by
- zdi
- published
- 2025-09-02
check us zerodayinitiative.com foxit.com
Exploit code held, dated
- exploit code
- None held in the PoC-in-GitHub feed. A public repository changes this brief.
What moved held, dated
| date | EPSS | event |
|---|---|---|
| 3 Sep 2025 | 0.00063 | |
| 8 Sep 2025 | 0.00068 | |
| 4 Oct 2025 | 0.00074 | |
| 9 Nov 2025 | 0.00085 | |
| 2 Jan 2026 | 0.00122 | |
| 17 Jan 2026 | 0.00058 | |
| 30 Jan 2026 | 0.00056 | |
| 10 Feb 2026 | 0.00066 | |
| 29 Mar 2026 | 0.00075 | |
| 8 May 2026 | 0.00076 | |
| 19 May 2026 | 0.00093 | |
| 15 Jun 2026 | 0.00235 | scoring model v2026.06.15 |
| 3 Aug 2026 | 0.00255 |
13 observations held. A step marked with a scoring model moved because the measurement was replaced, not because the vulnerability changed.
Outside the record researched, cited
This section reads the record's references and adds cited findings from outside it. It needs an account. Everything above is held facts and is complete without it.
What would change this brief held, dated
- CISA KEV
- Not listed in the catalogue we hold. A listing changes this brief.
- exploit probability
- 0.00 on 2026-08-03 (FIRST's EPSS, a probability and not evidence of exploitation). Next band line: 10% (0.10). Crossing a line changes this brief.
- fix
- Held: pdf reader 2025.1.0.27937 (CVE record, loaded 2026-09-20). A newer fix from the CNA or OSV changes this brief.
How to check this
Every value above is held with two dates: when it was true upstream (as_of) and when we recorded it (tx_from). Re-derive the exploit probability as it stood on any date:
SELECT value, source, source_version, as_of, tx_from
FROM volatile_valid_as_of('CVE-2025-9326', '2026-10-03T23:59:59.999999Z', now());Identity above is quoted from the CVE Program record, corpus cvelistv5_20260920, recorded 30 Sep 2026.