{"id":"CVE-2021-28927","aliases":["EUVD-2021-15579","GHSA-7585-2mwm-5jvf"],"status":"published","title":"The text-to-speech engine in libretro RetroArch for Windows 0.11 passes unsanitized input to...","description":"The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01272,"percentile":0.70228,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77","CWE-78"],"published":"2021-04-07T14:09:35Z","modified":"2026-10-20T10:55:54Z","products":[{"vendor":"libretro","product":"retroarch"}],"references":[{"url":"https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28927"},{"url":"http://libretro.com"},{"url":"http://retroarch.com"},{"url":"https://github.com/advisories/GHSA-7585-2mwm-5jvf"}],"sources":{"cve":[{"id":"CVE-2021-28927","description":"The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.","status":"published","published":"2021-04-07T14:09:35Z","modified":"2026-07-09T00:12:55.241Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-15579","description":"The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.","status":"published","published":"2021-04-07T14:09:35Z","modified":"2026-07-09T00:12:55Z","updated_at":"2026-11-02T18:20:09.112703Z"}],"ghsa":[{"id":"GHSA-7585-2mwm-5jvf","title":"The text-to-speech engine in libretro RetroArch for Windows 0.11 passes unsanitized input to...","description":"The text-to-speech engine in libretro RetroArch for Windows 0.11 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.","status":"published","published":"2022-05-24T17:46:48Z","modified":"2026-07-05T03:31:43Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-77","CWE-78"],"updated_at":"2026-11-02T15:09:15.466495Z"}],"nvd":[{"id":"CVE-2021-28927","description":"The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.","status":"published","published":"2021-04-07T15:15:13.623Z","modified":"2026-07-09T01:16:49.74Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:51.610648Z"}],"osv":[{"id":"CVE-2021-28927","description":"The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.","status":"published","published":"2021-04-07T15:15:13.623Z","modified":"2026-10-20T10:55:54.986361365Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:19.129331Z"}]}}