CVE-2020-8846

Code execution via freed text field object

Published Feb 13, 2020 · Updated Aug 4, 2024

Use-after-free in text field handling in Foxit PDF Editor 9.6.0.25114 allows remote attackers to execute code through a crafted document. The parser fails to verify that a text field object still exists before operating on it, allowing freed memory to be reused. Exploitation requires the target to visit a malicious page or open a malicious file, and code runs in the current process.

CVSS severity7.8
High
EPSS probability19.84%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use-after-free in text field handling in Foxit PDF Editor 9.6.0.25114 allows remote attackers to execute code through a crafted document. The parser fails to verify that a text field object still exists before operating on it, allowing freed memory to be reused. Exploitation requires the target to visit a malicious page or open a malicious file, and code runs in the current process.

The record

CVE
CVE-2020-8846
Published
Feb 13, 2020
Updated
Aug 4, 2024
Vendor
Foxit Software
Product
Foxit PDF Editor
Classifications
CWE-416, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 13, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=9.6.0.25114

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Foxit Software · Foxit PDF Editorversion=9.6.0.25114

Published CVSS scores

7.8Zero Day InitiativeCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-416Use After Free
T1204.002User Execution: Malicious File

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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