MEDIUM
CVE-2016-8226
CWE-19Published: January 26, 2017· Updated: Jun 17, 2026
4.9
CVSS v3.1
Official Description
The BIOS in Lenovo System X M5, M6, and X6 systems allows administrators to cause a denial of service via updating a UEFI data structure.
Technical Analysis
CVE-2016-8226 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 4.9.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Lenovo11 product(s)
flex system x240 m5 biosflex system x280 m6 biosflex system x480 x6 biosflex system x880 x6 biosnextscale nx360 m5 biossystem x3250 m6 biossystem x3500 m5 biossystem x3550 m5 biossystem x3650 m5 biossystem x3850 x6 biossystem x3950 x6 bios
Source: NVD CPE · 11 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (4)
Quick Facts
CVE IDCVE-2016-8226
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessCWE-19
CISA KEVNo
Affected1 vendor(s)
PublishedJan 26, 2017
Related CVEs (CWE-19)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-8226 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.