Vulnerability in Microsoft Office
CVE-2018-8332
A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts, aka "Win32k Graphics Remote Code Execution Vulnerability." This affects Windows 7, Microsoft Office, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.191 (97.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.191 · newest: 0.191 · change: 0.000
Affected products
- Microsoft Office — versions 2016 Click-to-Run (C2R) for 32-bit editions, 2016 Click-to-Run (C2R) for 64-bit editions, 2016 for Mac
- Microsoft Office — versions 2016
- Microsoft Office For Mac — versions 2016
- Microsoft Windows 10 — versions 32-bit Systems, Version 1607 for 32-bit Systems, Version 1607 for x64-based Systems
- Microsoft Windows 10 — versions 1607, 1703, 1709
- Microsoft Windows 10 Servers — versions version 1709 (Server Core Installation), version 1803 (Server Core Installation)
- Microsoft Windows 7 — versions 32-bit Systems Service Pack 1, x64-based Systems Service Pack 1
- Microsoft Windows 7
- Microsoft Windows 8.1 — versions 32-bit systems, x64-based systems
- Microsoft Windows 8.1
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/105248 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1041628 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8332 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-8332?
- CVE-2018-8332 is a high-severity vulnerability in Microsoft Office. CVSS score: 8.8/10. Published 2018-09-13.
- How severe is CVE-2018-8332?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-8332 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.