Buffer overflow in Microsoft Windows 10 Servers
CVE-2018-8476
A remote code execution vulnerability exists in the way that Windows Deployment Services TFTP Server handles objects in memory, aka "Windows Deployment Services TFTP Server Remote Code Execution Vulnerability." This affects Windows Server 2012 R2, Windows Server 2008, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows Server 2008 R2, Windows 10 Servers.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.648 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.648 · newest: 0.648 · change: 0.000
Affected products
- Microsoft Windows 10 Servers — versions version 1803 (Server Core Installation)
- Microsoft Windows Server 2008 — versions 32-bit Systems Service Pack 2, 32-bit Systems Service Pack 2 (Server Core installation), Itanium-Based Systems Service Pack 2
- Microsoft Windows Server 2008 — versions r2
- Microsoft Windows Server 2008 R2 — versions Itanium-Based Systems Service Pack 1, x64-based Systems Service Pack 1, x64-based Systems Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2012 — versions (Server Core installation)
- Microsoft Windows Server 2012 — versions r2
- Microsoft Windows Server 2012 R2 — versions (Server Core installation)
- Microsoft Windows Server 2016 — versions (Server Core installation)
- Microsoft Windows Server 2016 — versions 1803
- Microsoft Windows Server 2019 — versions (Server Core installation)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1042109 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8476 (Patch, Vendor Advisory)
- www.securityfocus.com/bid/105774 (VDB Entry, Third Party Advisory, vdb-entry)
- research.checkpoint.com/2019/pxe-dust-finding-a-vulnerability-in-windows-server…
Frequently asked questions
- What is CVE-2018-8476?
- CVE-2018-8476 is a critical-severity vulnerability in Microsoft Windows 10 Servers, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-11-14.
- How severe is CVE-2018-8476?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-8476 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.