High severity · published Aug 9, 2016
CVE-2016-3309
Microsoft Windows Kernel Privilege Escalation Vulnerability
RansomwareIn wildKEV
7.8
CVSS
20.5%
EPSS
Yes
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)20.5% · higher than 97% of CVEs
Exploited in the wildYes
CISA KEVListed Mar 15, 2022
Federal remediation dueApr 5, 2022
Ransomware campaign useKnown
Affected products
Which versions
WI
Windows · Microsoft
All versions, or not specified · source: KEV
W1
Windows 10 1507 · Microsoft
All versions, or not specified · source: NVD
W1
Windows 10 1511 · Microsoft
All versions, or not specified · source: NVD
W1
Windows 10 1607 · Microsoft
All versions, or not specified · source: NVD
W7
Windows 7 · Microsoft
All versions, or not specified · source: NVD
W8
Windows 8.1 · Microsoft
All versions, or not specified · source: NVD
WR
Windows RT 8.1 · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2008 · Microsoft
r2 · source: NVD
WS
Windows Server 2012 · Microsoft
r2 · source: NVD
WV
Windows Vista · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-3309
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-3309
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-098
exploit
https://www.exploit-db.com/exploits/42960/
vdb-entry
http://www.securitytracker.com/id/1036572
vdb-entry
http://www.securityfocus.com/bid/92297
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