cbcvebase.
CVE-2018-1015
published 2018-04-12

CVE-2018-1015: A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts, aka "Microsoft Graphics Remote…

PriorityP259high8.8CVSS 3.0
AVNACLPRNUIRSUCHIHAH
EPSS
23.49%
97.5th percentile
A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts, aka "Microsoft Graphics Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-1010, CVE-2018-1012, CVE-2018-1013, CVE-2018-1016.

Affected

21 ranges
VendorProductVersion rangeFixed in
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_server_2008
microsoftwindows_server_2012
microsoftwindows_server_2016
msrcwindows_10
msrcwindows_10_version_1511
msrcwindows_10_version_1607
msrcwindows_10_version_1703
msrcwindows_10_version_1709
msrcwindows_7
msrcwindows_8.1
msrcwindows_rt_8.1
msrcwindows_server_2008
msrcwindows_server_2008_r2
msrcwindows_server_2012
msrcwindows_server_2012_r2
msrcwindows_server_2016
msrcwindows_server_version_1709

Detection & IOCsextracted from sources · hover to see the quote

  • Attack vector: web-based — attacker hosts a specially crafted website with malicious embedded fonts to trigger the vulnerability when a user visits the page
  • Attack vector: file-sharing — attacker delivers a specially crafted document file containing malicious embedded fonts; monitor for suspicious document opens from untrusted sources
  • Vulnerable component is the Windows font library (handling of embedded fonts); monitor for anomalous font parsing activity or crashes in graphics/font subsystems (e.g., win32k, atmfd.dll)
  • ·Exploit status is rated 'Exploitation More Likely' for both latest and older software releases, but no public exploit or active exploitation was confirmed at time of disclosure — prioritize patching accordingly
  • ·Users with reduced privileges are less impacted, but full compromise is possible for admin-level accounts — enforce least-privilege as a compensating control

CVSS provenance

nvdv3.08.8HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
vendor_msrc8.8HIGH
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