How severe is CVE-2022-26864?

CVE-2022-26864 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2022-26864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26864?

CVE-2022-26864 primarily affects Dell Alienware M15 R5 Firmware. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-26864?

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

When was CVE-2022-26864 published?

CVE-2022-26864 was published on 2022-06-23 and last updated on 2026-06-17.

CVE-2022-26864

CVE-2022-26864 is a medium-severity vulnerability in Dell Alienware M15 R5 Firmware with a CVSS 3.x base score of 6.3. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 7.2
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Dell Alienware M15 R5 Firmware
Published: 2022-06-23
Last modified: 2026-06-17

Description

Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls in SMM.

Frequently asked questions

What is CVE-2022-26864?: Prior Dell BIOS versions contain an Input Validation vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls in SMM.
How severe is CVE-2022-26864?: CVE-2022-26864 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2022-26864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26864?: CVE-2022-26864 primarily affects Dell Alienware M15 R5 Firmware. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-26864?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26864 published?: CVE-2022-26864 was published on 2022-06-23 and last updated on 2026-06-17.

References

https://www.dell.com/support/kbdoc/en-us/000200568/dsa-2022-096

Affected products (34)

cpe:2.3:o:dell:alienware_m15_r5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:g15_5515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:g5_se_5505_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_27_7775_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_14_5425_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3275_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3475_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3180_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3185_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3195_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3505_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3525_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3585_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3595_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_3785_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_5405_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_5415_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_5415_all-in-one_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_5485_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_5505_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_5515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_5575_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_5585_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_7375_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_7405_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_7415_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:inspiron_7425_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3405_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_3525_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_5415_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_5515_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:vostro_5625_firmware:*:*:*:*:*:*:*:*

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