VulnerabilityAnalyzed
CVE-2017-0263
Microsoft Win32k Privilege Escalation Vulnerability
KEVHIGH 7.8EPSS 10.0%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 10.03% probability · 95th percentile
- CISA KEV
- Listed 10 February 2022 · due 10 August 2022
- Weakness
- CWE-416
- Affected
- microsoft/windows 10 1507 · microsoft/windows 10 1511 · microsoft/windows 10 1607 · microsoft/windows 10 1703 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-0263
References
- http://www.securityfocus.com/bid/98258Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038449Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/44478/Exploit, Third Party Advisory, VDB Entry
- https://xiaodaozhi.com/exploit/117.htmlExploit, Third Party Advisory
- http://www.securityfocus.com/bid/98258Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038449Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0263Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/44478/Exploit, Third Party Advisory, VDB Entry
- https://xiaodaozhi.com/exploit/117.htmlExploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0263US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.