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    CVE-2026-107732

    SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, untrusted document paths and PDF link targets are interpolated into notification text that ParseTip() interprets as trusted tip markup. When a user clicks an injected link, ExecuteTipLink() dispatches its CmdExec command and can execute an attacker-selected local program in the user's context. No broader impact is claimed beyond the advisory-supported conditions. No fixed version is available as of this review.

    Published:Oct 8, 2026
    Last Modified:Oct 13, 2026
    EPS:Oct 8, 2026
    EPSS Score:0.00131
    CVSS Score:8.4

    Affected Products

    Vendor
    Sumatrapdfreader
    Product
    Sumatrapdf

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-115758 (CVSS 8.2) — SumatraPDF is a multi-format reader for Windows. In version 3.6.1 and earlier, HttpGet() in src/base/Http_win.…
    CVE-2026-107802 (CVSS 7.1) — SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, src/SelectionTranslate.cpp embeds selec…
    CVE-2026-107738 (CVSS 6.8) — SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, ChmFile::GetCharZ() narrows file-contro…
    CVE-2026-107737 (CVSS 5.7) — SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, and in pre-release 3.7.0.20369 when Web…
    CVE-2026-107736 (CVSS 6.8) — SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, MaybeFlipBitmap() asks GDI+ to read the…
    CVE-2026-107735 (CVSS 5.4) — SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, InitializePolicies() starts the sumatra…
    CVE-2026-107734 (CVSS 7.1) — SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, an attacker-controlled SyncTeX source f…
    CVE-2026-107733 (CVSS 6.8) — SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, FrameOnCommand() handles CmdExec by pas…
    CVE-2026-107731 (CVSS 5.5) — SumatraPDF is a multi-format reader for Windows. In 3.7.0.22298, four independently reachable range-validation…
    CVE-2026-107730 (CVSS 5.5) — SumatraPDF is a multi-format reader for Windows. In 3.7.0.22298, LitParseHeader() in src/LitDoc.cpp computes t…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High