How severe is CVE-2022-40080?

CVE-2022-40080 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-40080 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40080?

CVE-2022-40080 affects Acer Aspire E5-475g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40080?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-40080 published?

CVE-2022-40080 was published on 2023-02-16 and last updated on 2026-06-17.

CVE-2022-40080

CVE-2022-40080 is a high-severity vulnerability in Acer Aspire E5-475g Firmware with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Acer Aspire E5-475g Firmware
Published: 2023-02-16
Last modified: 2026-06-17

Description

Stack overflow vulnerability in Aspire E5-475G 's BIOS firmware, in the FpGui module, a second call to GetVariable services allows local attackers to execute arbitrary code in the UEFI DXE phase and gain escalated privileges.

Frequently asked questions

What is CVE-2022-40080?: Stack overflow vulnerability in Aspire E5-475G 's BIOS firmware, in the FpGui module, a second call to GetVariable services allows local attackers to execute arbitrary code in the UEFI DXE phase and gain escalated privileges.
How severe is CVE-2022-40080?: CVE-2022-40080 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40080 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40080?: CVE-2022-40080 affects Acer Aspire E5-475g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40080?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-40080 published?: CVE-2022-40080 was published on 2023-02-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:acer:aspire_e5-475g_firmware:1.21:*:*:*:*:*:*:*

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