KB4015195: Security Update for the Win32k Information Disclosure Vulnerability (April 2017)

high Nessus Plugin ID 99307


The remote Windows host is affected by an information disclosure vulnerability.


The remote Windows host is missing a security update KB4015195. It is, therefore, affected by multiple vulnerabilities:

- An information disclosure vulnerability in the win32k component due to improper handling of kernel information. A local attacker can exploit this, via a specially crafted application,to disclose sensitive information. (CVE-2017-0058)

- An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. (CVE-2017-0155)


Apply security update KB4015195.

See Also



Plugin Details

Severity: High

ID: 99307

File Name: smb_nt_ms17_apr_4015195.nasl

Version: 1.14

Type: local

Agent: windows

Published: 4/12/2017

Updated: 11/15/2018

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.4

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:POC/RL:OF/RC:C


Risk Factor: High

Base Score: 7

Temporal Score: 6.3

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/11/2017

Vulnerability Publication Date: 4/11/2017

Reference Information

CVE: CVE-2017-0058, CVE-2017-0155

BID: 97462, 97471

MSKB: 4015195

MSFT: MS17-4015195