📄 SumatraPDF 3.5.2 Remote Code Execution

SumatraPDF versions 3.5.0 to 3.5.2 disable TLS hostname verification during update checks using INTERNETFLAGIGNORECERTCNINVALID and do not perform any signature or integrity validation on the downloaded installer. Exploit Title: SumatraPDF 3.5.2 - Remote Code Execution Date: 2026-02-10 Exploit...

SumatraPDF 3.5.2 - Remote Code Execution

Exploit Title: SumatraPDF 3.5.2 - Remote Code Execution Date: 2026-02-10 Exploit Author: Mohammed I. Banyamer Vendor Homepage: https://www.sumatrapdfreader.org/ Software Link: https://www.sumatrapdfreader.org/download-free-pdf-viewer Version: 3.5.0 - 3.5.2 Tested on: Windows 10 / 11 CVE :...

VulnCheck KEV: CVE-2025-15556

Notepad++ versions prior to 8.8.9, when using the WinGUp updater, contain an update integrity verification vulnerability where downloaded update metadata and installers are not cryptographically verified. An attacker able to intercept or redirect update traffic can cause the updater to download a...