7.8high

CVE-2016-3309KEV · ransomwarein critical feed1 exploit

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…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · CNA
CISA KEV
Yes
added 2022-03-15
EPSS
20.5%
percentile 98%
Public exploits
1
Exploit-DB

Summary

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.

Known exploited (CISA KEV)

Added
4 y ago
Due date
2022-04-05 (4 y ago)
Ransomware use
Known to be used in ransomware campaigns
Required action
Apply updates per vendor instructions.
Vendor / product
Microsoft / Windows
CISA name
Microsoft Windows Kernel Privilege Escalation Vulnerability

CISA SSVC assessment

Exploitation
Active — exploited in the wild
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction (EPSS)

20.47% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.

Exploits and detections

  • EDB-42960 Microsoft Windows 10 RS2 (x64) - 'win32kfull!bFill' Pool Overflow · local · 2017-10-06

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

References

  • docs.microsoft.com /en-us/security-updates/securitybulletins/2016/ms16-098 · vendor-advisory, x_refsource_MS, x_transferred
  • exploit-db.com /exploits/42960/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • securitytracker.com /id/1036572 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/92297 · vdb-entry, x_refsource_BID, x_transferred
  • cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3309 · government-resource

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.