CVE-2016-3309
Microsoft Windows Kernel Privilege Escalation Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 5 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
The kernel-mode drivers in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability," a different vulnerability than CVE-2016-3308, CVE-2016-3310, and CVE-2016-3311.
- 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
- 20.63% probability · 97th percentile
- CISA KEV
- Listed 15 March 2022 · due 5 April 2022 · used in ransomware campaigns
- Affected
- microsoft/windows 10 1507 · microsoft/windows 10 1511 · microsoft/windows 10 1607 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows vista
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-3309
References
- http://www.securityfocus.com/bid/92297Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036572Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-098Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42960/Broken Link, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/92297Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036572Broken Link, Third Party Advisory, VDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-098Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/42960/Broken Link, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3309US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.