{"cve":"CVE-2017-8691","nvd":{"published":"2017-08-08T21:29:01.987","modified":"2026-06-17T01:26:48.090","status":"Modified","description":"Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allow an attacker to execute code remotely on a target system when the Windows font library fails to properly handle specially crafted embedded fonts, aka \"Express Compressed Fonts Remote Code Execution Vulnerability.\"","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-119"],"references":["http://www.securityfocus.com/bid/100090","http://www.securitytracker.com/id/1039096","https://fortiguard.com/zeroday/FG-VD-17-142","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8691","http://www.securityfocus.com/bid/100090"],"products":["microsoft:windows_7","microsoft:windows_server_2008"],"source":"nvd","synced_at":"2026-10-19T20:44:47.710380879+00:00"},"epss":{"cve":"CVE-2017-8691","score":0.19765,"percentile":0.97406,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}