CVE-2016-7255
Confirmed PUBLISHEDThe 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...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."
- CVE Published
- Nov 10, 2016
- Exploitation Reported
- Nov 03, 2021
- CVSS
- 7.8 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- MS16-135 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
- 40823 exploit-db.com · Exploit https://www.exploit-db.com/exploits/40823/
- 41015 exploit-db.com · Exploit https://www.exploit-db.com/exploits/41015/
- 40745 exploit-db.com · Exploit https://www.exploit-db.com/exploits/40745/
- 1037251 securitytracker.com · VDB Entry http://www.securitytracker.com/id/1037251
Show 6 more references
- 94064 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/94064
- packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-win32k... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/140468/Microsoft-Windows-Kernel-...
- GitHub — mwrlabs/CVE-2016-7255 github.com · CVE Record https://github.com/mwrlabs/CVE-2016-7255
- securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kernel-privilege... securingtomorrow.mcafee.com · CVE Record https://securingtomorrow.mcafee.com/mcafee-labs/digging-windows-kerne...
- blog.trendmicro.com/trendlabs-security-intelligence/one-bit-rule... blog.trendmicro.com · CVE Record http://blog.trendmicro.com/trendlabs-security-intelligence/one-bit-ru...
- security.googleblog.com/2016/10/disclosing-vulnerabilities-to-protec... security.googleblog.com · CVE Record https://security.googleblog.com/2016/10/disclosing-vulnerabilities-to...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2021-11-03 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2021-11-03 00:00:00 UTC · CISA
Proof of concept available
Recorded 2017-01-13 15:49:58 UTC · GitHub
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2017-04-15 01:46:52 UTC · 0 stars
github · Created 2017-03-02 23:32:08 UTC · 81 stars
An exploit for CVE-2016-7255 on Windows 7/8/8.1/10(pre-anniversary) 64 bit
github · Created 2017-01-13 15:49:58 UTC · 3 stars
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
15:49 UTC over 9 years ago15:49 UTC · over 9 years ago
Public PoC available
Public proof-of-concept code published
-
06:16 UTC over 9 years ago06:16 UTC · over 9 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC almost 10 years ago00:00 UTC · almost 10 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2016-7255
{
"cve_id": "CVE-2016-7255",
"title": "The kernel-mode drivers in Microsoft Windows Vista SP2, Windows Server 2008 S...",
"affected_vendor": "Microsoft",
"affected_product": "Windows",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 7.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}