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CVE-2026-91814

Foxit PDF Editor · Vulnerability

CVSS 3.1 5.3 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-91814

Published

A signature validation vulnerability exists in Foxit PDF Editor/Reader’s handling of incrementally updated PDF documents. Changes to visible document content may not invalidate the existing signature, allowing attackers to alter signed content and potentially carry out content spoofing while the document continues to appear validly signed.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-91814

Published

Foxit PDF Editor

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Foxit Software Inc.",
                    "product": "Foxit PDF Editor",
                    "platforms": [
                        "Windows",
                        "MacOS"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "Versions 2026.2 and earlier"
                        },
                        {
                            "status": "affected",
                            "version": "Versions 14.0.7 and earlier"
                        },
                        {
                            "status": "affected",
                            "version": "Versions 13.2.6 and earlier"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Foxit PDF Reader

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Foxit Software Inc.",
                    "product": "Foxit PDF Reader",
                    "platforms": [
                        "Windows",
                        "MacOS"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "Versions 2026.2 and earlier"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON