# Foxit PDF Editor vulnerabilities Source: https://junglewise.ai/threats/technologies/pdf-editor Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/pdf-editor.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 51 vulnerabilities in Foxit PDF Editor: 0 in the last 7 days and 31 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-91818, was published on 23 September 2026. Nothing in the last four weeks, down from 31 vulnerabilities in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 31 - All time: 51 (0 critical, 0 exploited in the wild) ## About Foxit PDF Editor Foxit application for creating, editing, and annotating PDF documents. ## Latest Foxit PDF Editor vulnerabilities - [CVE-2026-91818: Foxit PDF Editor use-after-free in JavaScript annotation handling](https://junglewise.ai/threats/cve-2026-91818-a-use-after-free-vulnerability-exists-in-foxit-pdf-editor-reader) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91817: Foxit PDF Editor heap-based out-of-bounds read in JavaScript string handling](https://junglewise.ai/threats/cve-2026-91817-a-heap-based-out-of-bounds-read-vulnerability-exists-in-foxit-pdf) (medium, CVSS 6.1, published 23 Sep 2026) - [CVE-2026-91816: Foxit PDF Editor use-after-free in annotation handling](https://junglewise.ai/threats/cve-2026-91816-a-use-after-free-vulnerability-exists-in-foxit-pdf-editor-reader) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91815: Foxit PDF Editor/Reader out-of-bounds write in JPEG2000 decoding](https://junglewise.ai/threats/cve-2026-91815-foxit-pdf-editor-reader-does-not-perform-sufficient-verification) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91814: Foxit PDF Editor and Reader signature validation bypass in incremental updates](https://junglewise.ai/threats/cve-2026-91814-a-signature-validation-vulnerability-exists-in-foxit-pdf-editor) (medium, CVSS 5.3, published 23 Sep 2026) - [CVE-2026-91813: Foxit PDF Reader/Editor update mechanism privilege escalation](https://junglewise.ai/threats/cve-2026-91813-a-vulnerability-in-foxit-pdf-editor-reader-s-update-mechanism) (high, CVSS 8.8, published 23 Sep 2026) - [CVE-2026-91812: Foxit PDF Editor/Reader update mechanism certificate validation bypass](https://junglewise.ai/threats/cve-2026-91812-a-vulnerability-in-foxit-pdf-editor-reader-s-update-mechanism) (high, CVSS 7.9, published 23 Sep 2026) - [CVE-2026-91811: Foxit PDF Reader heap out-of-bounds write in PRC parser](https://junglewise.ai/threats/cve-2026-91811-a-heap-based-out-of-bounds-write-vulnerability-exists-in-foxit) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91810: Foxit PDF Reader heap out-of-bounds read in image mask handling](https://junglewise.ai/threats/cve-2026-91810-a-heap-based-out-of-bounds-read-vulnerability-exists-in-foxit-pdf) (medium, CVSS 6.1, published 23 Sep 2026) - [CVE-2026-91809: Foxit PDF Reader use-after-free in form field handling](https://junglewise.ai/threats/cve-2026-91809-a-use-after-free-vulnerability-exists-in-foxit-pdf-editor-reader) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91808: Foxit PDF Editor heap out-of-bounds read in image handling](https://junglewise.ai/threats/cve-2026-91808-a-heap-based-out-of-bounds-read-vulnerability-exists-in-foxit-pdf) (medium, CVSS 6.1, published 23 Sep 2026) - [CVE-2026-91807: Foxit PDF Reader heap-based out-of-bounds read in image soft-mask parsing](https://junglewise.ai/threats/cve-2026-91807-a-heap-based-out-of-bounds-read-vulnerability-exists-in-foxit-pdf) (medium, CVSS 6.1, published 23 Sep 2026) - [CVE-2026-91806: Foxit PDF Editor and Reader use-after-free in form field handling](https://junglewise.ai/threats/cve-2026-91806-a-use-after-free-vulnerability-exists-in-foxit-pdf-editor-reader) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91805: Foxit PDF Editor use-after-free in page-tree handling](https://junglewise.ai/threats/cve-2026-91805-a-use-after-free-vulnerability-exists-in-foxit-pdf-editor-reader) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91804: Foxit PDF Editor and Reader heap overflow in Circle annotation rendering](https://junglewise.ai/threats/cve-2026-91804-a-heap-based-out-of-bounds-write-vulnerability-exists-in-foxit) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91803: Foxit PDF Editor privilege escalation in updater via DLL loading](https://junglewise.ai/threats/cve-2026-91803-a-local-privilege-escalation-vulnerability-exists-in-the-updater) (high, CVSS 8.8, published 23 Sep 2026) - [CVE-2026-91802: Foxit PDF Editor heap-based buffer overflow in WebP decoding](https://junglewise.ai/threats/cve-2026-91802-a-heap-based-out-of-bounds-write-vulnerability-exists-in-foxit) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91801: Foxit PDF Editor path traversal in embedded resource handling](https://junglewise.ai/threats/cve-2026-91801-a-path-traversal-vulnerability-exists-in-foxit-pdf-editor-reader) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91800: Foxit PDF Editor privilege escalation in installer on macOS](https://junglewise.ai/threats/cve-2026-91800-a-local-privilege-escalation-vulnerability-exists-in-the) (high, CVSS 8.8, published 23 Sep 2026) - [CVE-2026-91799: Foxit PDF Editor use-after-free in JavaScript array handling](https://junglewise.ai/threats/cve-2026-91799-a-use-after-free-vulnerability-exists-in-foxit-pdf-editor-reader) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91798: Foxit PDF Editor and Reader privilege escalation in update daemon](https://junglewise.ai/threats/cve-2026-91798-a-local-privilege-escalation-vulnerability-exists-in-the-update) (high, CVSS 8.8, published 23 Sep 2026) - [CVE-2026-91797: Foxit PDF Editor/Reader directory traversal in attachment file name](https://junglewise.ai/threats/cve-2026-91797-foxit-pdf-editor-reader-failed-to-validate-the-directory) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91796: Foxit PDF Editor and Reader credential hash leakage via SMB](https://junglewise.ai/threats/cve-2026-91796-the-interface-of-foxit-pdf-editor-reader-lacks-the-permission) (medium, CVSS 6.1, published 23 Sep 2026) - [CVE-2026-91795: Foxit PDF Editor and Reader FileOpen plugin encryption metadata validation bypass](https://junglewise.ai/threats/cve-2026-91795-foxit-pdf-editor-reader-s-fileopen-plugin-did-not-adequately) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2026-91794: Foxit PDF Editor out-of-bounds write in color space processing](https://junglewise.ai/threats/cve-2026-91794-an-out-of-bounds-write-vulnerability-exists-in-the-pdf-rendering) (high, CVSS 7.8, published 23 Sep 2026) ## Most severe Foxit PDF Editor vulnerabilities - [CVE-2026-91803: Foxit PDF Editor privilege escalation in updater via DLL loading](https://junglewise.ai/threats/cve-2026-91803-a-local-privilege-escalation-vulnerability-exists-in-the-updater) (high, CVSS 8.8, published 23 Sep 2026) - [CVE-2026-91800: Foxit PDF Editor privilege escalation in installer on macOS](https://junglewise.ai/threats/cve-2026-91800-a-local-privilege-escalation-vulnerability-exists-in-the) (high, CVSS 8.8, published 23 Sep 2026) - [CVE-2026-91798: Foxit PDF Editor and Reader privilege escalation in update daemon](https://junglewise.ai/threats/cve-2026-91798-a-local-privilege-escalation-vulnerability-exists-in-the-update) (high, CVSS 8.8, published 23 Sep 2026) - [CVE-2026-91813: Foxit PDF Reader/Editor update mechanism privilege escalation](https://junglewise.ai/threats/cve-2026-91813-a-vulnerability-in-foxit-pdf-editor-reader-s-update-mechanism) (high, CVSS 8.8, published 23 Sep 2026) - [CVE-2026-12057: Foxit PDF Editor and Reader arbitrary code execution via JavaScript sandbox bypass](https://junglewise.ai/threats/cve-2026-12057-foxit-pdf-editor-and-reader-arbitrary-code-execution-via) (high, CVSS 8.6, published 15 Jun 2026) - [CVE-2026-91812: Foxit PDF Editor/Reader update mechanism certificate validation bypass](https://junglewise.ai/threats/cve-2026-91812-a-vulnerability-in-foxit-pdf-editor-reader-s-update-mechanism) (high, CVSS 7.9, published 23 Sep 2026) - [CVE-2026-91797: Foxit PDF Editor/Reader directory traversal in attachment file name](https://junglewise.ai/threats/cve-2026-91797-foxit-pdf-editor-reader-failed-to-validate-the-directory) (high, CVSS 7.8, published 23 Sep 2026) - [CVE-2025-55314: An issue was discovered in Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2. When pages…](https://junglewise.ai/threats/cve-2025-55314-an-issue-was-discovered-in-foxit-pdf-and-editor-for-windows-and) (high, CVSS 7.8, published 11 Dec 2025) - [CVE-2026-5943: Document structural anomalies caused inconsistencies between page element relationships and internal index states…](https://junglewise.ai/threats/cve-2026-5943-document-structural-anomalies-caused-inconsistencies-between-page) (high, CVSS 7.8, published 27 Apr 2026) - [CVE-2025-55313: An issue was discovered in Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2. They allow…](https://junglewise.ai/threats/cve-2025-55313-an-issue-was-discovered-in-foxit-pdf-and-editor-for-windows-and) (high, CVSS 7.8, published 11 Dec 2025) ## Vulnerabilities per week Nothing in the last four weeks, down from 31 vulnerabilities in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 31 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Foxit technologies - [Foxit PDF Reader](https://junglewise.ai/threats/technologies/pdf-reader): 52 vulnerabilities - [Foxit Workspace](https://junglewise.ai/threats/technologies/workspace): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Foxit PDF Editor vulnerabilities", https://junglewise.ai/threats/technologies/pdf-editor, 9 November 2026.