Buffer overflow in Microsoft Windows 10
CVE-2018-8626
A remote code execution vulnerability exists in Windows Domain Name System (DNS) servers when they fail to properly handle requests, aka "Windows DNS Server Heap Overflow Vulnerability." This affects Windows Server 2012 R2, Windows Server 2019, Windows Server 2016, Windows 10, 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: 0.212 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.348 · newest: 0.212 · change: -0.136
Affected products
- Microsoft Windows 10 — versions Version 1607 for 32-bit Systems, Version 1607 for x64-based Systems, Version 1709 for 32-bit Systems
- Microsoft Windows 10 — versions 1607, 1709, 1803
- Microsoft Windows 10 Servers — versions version 1709 (Server Core Installation), version 1803 (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 1709, 1803
- Microsoft Windows Server 2019 — versions (Server Core installation)
- Microsoft Windows Server 2019
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8626 (Patch, Vendor Advisory)
- www.securityfocus.com/bid/106076 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-8626?
- CVE-2018-8626 is a critical-severity vulnerability in Microsoft Windows 10, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-12-12.
- How severe is CVE-2018-8626?
- Critical severity. CVSS v3 base score is 9.8 out of 10.