CVE-2017-8691 in the critical feed json
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 l…
published 2017-08-08 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17638
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 19.8%
- EPSS 19.8% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
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."
Patch / fix
Exploit prediction
19.77% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Corporation Windows Kernel-Mode Drivers
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2017-8691
patch, vendor-advisory
-
securityfocus.com
/bid/100090
vdb-entry, third-party-advisory
- fortiguard.com /zeroday/FG-VD-17-142
-
securitytracker.com
/id/1039096
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-8691
- NVD CVE-2017-8691
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