CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
62.6%
An information disclosure vulnerability exists in Windows when the Windows bowser.sys kernel-mode driver does not correctly handle objects in memory. An attacker who successfully exploits the vulnerability could potentially expose the contents of system memory.
To learn more about the vulnerability, go to CVE-2018-8271.
This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see Windows Update: FAQ.
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
Important
File information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Help for installing updates: Windows Update: FAQ
Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure
Local support according to your country: International Support
File name | SHA1 hash | SHA256 hash |
---|---|---|
WindowsXP-KB4338381-x86-Embedded-ENU.exe | 5E6168475C2FB6F8D78D9B639E6D9802F4B90917 | C33C07FDC50A5EA654FC7181457EF5CF22DB6BA86D2931A9A029F815EB32FA90 |
File name | File version | File size | Date | Time | Platform |
---|---|---|---|---|---|
Mrxsmb.sys | 5.1.2600.7547 | 456,960 | 18-Jul-2018 | 23:57 | x86 |
Updspapi.dll | 6.3.13.0 | 382,840 | 31-Jan-2018 | 18:26 | x86 |
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
62.6%