CVE-2017-8691

8.8 HIGH
Published: August 08, 2017 Modified: May 13, 2026
View on NVD

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."

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/100090
Source: secure@microsoft.com
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039096
Source: secure@microsoft.com
Third Party Advisory VDB Entry
https://fortiguard.com/zeroday/FG-VD-17-142
Source: secure@microsoft.com
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8691
Source: secure@microsoft.com
Patch Vendor Advisory
http://www.securityfocus.com/bid/100090
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039096
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://fortiguard.com/zeroday/FG-VD-17-142
Source: af854a3a-2127-422b-91ae-364da2661108
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8691
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
19.8%
97th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-119

Affected Vendors

microsoft

Related CVEs

CVE-2026-12243 7.5
CVE-2026-8023 7.5
CVE-2026-7656 8.1
CVE-2026-51219 N/A
CVE-2026-51218 N/A