How severe is CVE-2016-8222?

CVE-2016-8222 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-8222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8222?

CVE-2016-8222 primarily affects Lenovo Thinkpad 10 Ella 2 Bios. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-8222?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-8222 published?

CVE-2016-8222 was published on 2016-11-30 and last updated on 2026-06-17.

CVE-2016-8222

CVE-2016-8222 is a medium-severity vulnerability in Lenovo Thinkpad 10 Ella 2 Bios with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 4.7
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Lenovo Thinkpad 10 Ella 2 Bios
Published: 2016-11-30
Last modified: 2026-06-17

Description

A vulnerability has been identified in a signed kernel driver for the BIOS of some ThinkPad systems that can allow an attacker with Windows administrator-level privileges to call System Management Mode (SMM) services. This could lead to a denial of service attack or allow certain BIOS variables or settings to be altered (such as boot sequence). The setting or changing of BIOS passwords is not affected by this vulnerability.

Frequently asked questions

What is CVE-2016-8222?: A vulnerability has been identified in a signed kernel driver for the BIOS of some ThinkPad systems that can allow an attacker with Windows administrator-level privileges to call System Management Mode (SMM) services. This could lead to a denial of service attack or allow certain BIOS variables or settings to be altered (such as boot sequence). The setting or changing of BIOS passwords is not affected by this vulnerability.
How severe is CVE-2016-8222?: CVE-2016-8222 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-8222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8222?: CVE-2016-8222 primarily affects Lenovo Thinkpad 10 Ella 2 Bios. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-8222?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-8222 published?: CVE-2016-8222 was published on 2016-11-30 and last updated on 2026-06-17.

References

Affected products (74)

cpe:2.3:o:lenovo:thinkpad_10_ella_2_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_11e_beema_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_11e_braswell_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_11e_broadwell_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_11e_skylake_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_13e_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e450_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e450c_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e455_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e460_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e465_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e550_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e550c_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e555_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e560_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_e565_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_edge_e440_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_edge_e445_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_edge_e540_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_edge_e545_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_helix_20cg_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_helix_20ch_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l440_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l450_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l460_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l540_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_l560_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p50_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p50s_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_p70_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s1_yoga_12_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s1_yoga_non_vpro_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s1_yoga_vpro_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s3_s440_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s3_yoga_14_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s5_e560p_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s5_yoga_15_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_s540_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t440_bios:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkpad_t440p_bios:-:*:*:*:*:*:*:*

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