CVE-2017-11780
Windows SMB Remote Code Execution Vulnerability
CVE-2017-11780 is fixed in 27 products on 1 platform, first by KB4041689, released October 10, 2017. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
Urgent
CVSS
8.1
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0996
95th percentile
<p>A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 1.0 (SMBv1) server handles certain requests. An attacker who successfully exploited the vulnerability could gain the ability to execute code on the target server.</p> <p>To exploit the vulnerability, in most situations, an authenticated attacker could send a specially crafted packet to a targeted SMBv1 server.</p> <p>The security update addresses the vulnerability by correcting how SMBv1 handles these specially crafted requests.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1511 for 32-bit Systems | 10586.1176 | KB4041689 | Oct 10, 2017 |
| Windows 10 Version 1511 for x64-based Systems | 10586.1176 | KB4041689 | Oct 10, 2017 |
| Windows 10 Version 1607 for 32-bit Systems | 14393.1770 | KB4041691 | Oct 10, 2017 |
| Windows 10 Version 1607 for x64-based Systems | 14393.1770 | KB4041691 | Oct 10, 2017 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.674 | KB4041676 | Oct 10, 2017 |
| Windows 10 Version 1703 for x64-based Systems | 15063.674 | KB4041676 | Oct 10, 2017 |
| Windows 10 for 32-bit Systems | 10240.17643 | KB4042895 | Oct 10, 2017 |
| Windows 10 for x64-based Systems | 10240.17643 | KB4042895 | Oct 10, 2017 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4041681 | Oct 10, 2017 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4041678 | Oct 10, 2017 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4041681 | Oct 10, 2017 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4041678 | Oct 10, 2017 | |
| Windows 8.1 for 32-bit systems | KB4041693 | Oct 10, 2017 | |
| Windows 8.1 for 32-bit systems | KB4041687 | Oct 10, 2017 | |
| Windows 8.1 for x64-based systems | KB4041693 | Oct 10, 2017 | |
| Windows 8.1 for x64-based systems | KB4041687 | Oct 10, 2017 | |
| Windows RT 8.1 | KB4041693 | Oct 10, 2017 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4041681 | Oct 10, 2017 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4041678 | Oct 10, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4041681 | Oct 10, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4041678 | Oct 10, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4041681 | Oct 10, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4041678 | Oct 10, 2017 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4041995 | Oct 10, 2017 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4041995 | Oct 10, 2017 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4041995 | Oct 10, 2017 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4041995 | Oct 10, 2017 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4041995 | Oct 10, 2017 | |
| Windows Server 2012 | KB4041690 | Oct 10, 2017 | |
| Windows Server 2012 | KB4041679 | Oct 10, 2017 | |
| Windows Server 2012 (Server Core installation) | KB4041690 | Oct 10, 2017 | |
| Windows Server 2012 (Server Core installation) | KB4041679 | Oct 10, 2017 | |
| Windows Server 2012 R2 | KB4041693 | Oct 10, 2017 | |
| Windows Server 2012 R2 | KB4041687 | Oct 10, 2017 | |
| Windows Server 2012 R2 (Server Core installation) | KB4041693 | Oct 10, 2017 | |
| Windows Server 2012 R2 (Server Core installation) | KB4041687 | Oct 10, 2017 | |
| Windows Server 2016 | 14393.1770 | KB4041691 | Oct 10, 2017 |
| Windows Server 2016 (Server Core installation) | 14393.1770 | KB4041691 | Oct 10, 2017 |