https://sylvarsec.com/ Independent security research. Responsible vulnerability disclosure in third-party software. en Sun, 24 May 2026 08:55:50 GMT https://sylvarsec.com/og-image.png https://sylvarsec.com/ https://sylvarsec.com/#advisories TEAMVIEWER-2026 Wed, 08 Apr 2026 00:00:00 GMT Under responsible disclosure. 4 vulnerabilities reported to TeamViewer via YesWeHack. Technical details will be published after the disclosure deadline. CRITICAL https://sylvarsec.com/#advisories OUTLOOK-2026 Sun, 05 Apr 2026 00:00:00 GMT Under responsible disclosure. 4 vulnerabilities reported to Microsoft via MSRC. Technical details will be published after the disclosure deadline. HIGH https://sylvarsec.com/#advisories STEAM-CEF-2026 Sun, 05 Apr 2026 00:00:00 GMT Under responsible disclosure. 4 vulnerabilities reported to Valve via HackerOne. Technical details will be published after the disclosure deadline. CRITICAL https://sylvarsec.com/#advisories MOBAXTERM-2026 Sun, 05 Apr 2026 00:00:00 GMT Under responsible disclosure. 2 vulnerabilities reported to Mobatek via Email. Technical details will be published after the disclosure deadline. HIGH https://sylvarsec.com/#advisories TEAMS-2026 Sat, 04 Apr 2026 00:00:00 GMT Under responsible disclosure. 4 vulnerabilities reported to Microsoft via MSRC. Technical details will be published after the disclosure deadline. HIGH https://sylvarsec.com/#advisories RIOT-2026 Fri, 03 Apr 2026 00:00:00 GMT Full disclosure available. 7 vulnerabilities in Riot Vanguard Anti-Cheat / Riot Client v1.17.17.15. Status: declined. Platform: HackerOne. HIGH https://sylvarsec.com/#advisories PROTON-2026 Fri, 03 Apr 2026 00:00:00 GMT Under responsible disclosure. 4 vulnerabilities reported to Proton AG via Email. Technical details will be published after the disclosure deadline. HIGH https://sylvarsec.com/#advisories COPILOT-2026 Thu, 02 Apr 2026 00:00:00 GMT Under responsible disclosure. 2 vulnerabilities reported to Microsoft via MSRC. Technical details will be published after the disclosure deadline. MEDIUM https://sylvarsec.com/#advisories WHATSAPP-2026 Wed, 01 Apr 2026 00:00:00 GMT Under responsible disclosure. 11 vulnerabilities reported to Meta via Meta Bug Bounty. Technical details will be published after the disclosure deadline. HIGH https://sylvarsec.com/#advisories SUNSHINE-2026 Wed, 01 Apr 2026 00:00:00 GMT Full disclosure available. 1 vulnerabilities in Sunshine. Status: declined. Platform: GitHub Advisory. HIGH https://sylvarsec.com/#advisories EPIC-2026 Tue, 31 Mar 2026 00:00:00 GMT Full disclosure available. 4 vulnerabilities in Epic Games Launcher. Status: declined. Platform: HackerOne. HIGH https://sylvarsec.com/#advisories STEAM-2026 Tue, 31 Mar 2026 00:00:00 GMT Full disclosure available. 12 vulnerabilities in Steam Client. Status: declined. Platform: HackerOne. HIGH https://sylvarsec.com/#advisories DISCORD-2026 Tue, 31 Mar 2026 00:00:00 GMT Under responsible disclosure. 6 vulnerabilities reported to Discord via Bugcrowd. Technical details will be published after the disclosure deadline. HIGH https://sylvarsec.com/#advisories WAND-2026 Mon, 30 Mar 2026 00:00:00 GMT Under responsible disclosure. 4 vulnerabilities reported to WeMod via Email. Technical details will be published after the disclosure deadline. HIGH https://sylvarsec.com/#advisories ASUS-2026 Sun, 29 Mar 2026 00:00:00 GMT Under responsible disclosure. 9 vulnerabilities reported to ASUSTeK via ASUS PSIRT. Technical details will be published after the disclosure deadline. CRITICAL https://sylvarsec.com/#advisories ANTHROPIC-2026 Sun, 29 Mar 2026 00:00:00 GMT Full disclosure available. 4 vulnerabilities in Claude Desktop / CoworkVMService. Status: declined. Platform: HackerOne. HIGH