How severe is CVE-2022-36763?

CVE-2022-36763 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2022-36763 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36763?

CVE-2022-36763 affects Tianocore Edk2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36763?

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.

Does CVE-2022-36763 have an EU (EUVD) identifier?

Yes. CVE-2022-36763 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-39463.

When was CVE-2022-36763 published?

CVE-2022-36763 was published on 2024-01-09 and last updated on 2026-06-17.

CVE-2022-36763

CVE-2022-36763 is a high-severity vulnerability in Tianocore Edk2 with a CVSS 3.x base score of 7.0. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-39463
Weakness: CWE-119
Affected product: Tianocore Edk2
Published: 2024-01-09
Last modified: 2026-06-17

Description

EDK2 is susceptible to a vulnerability in the Tcg2MeasureGptTable() function, allowing a user to trigger a heap buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.

Frequently asked questions

What is CVE-2022-36763?: EDK2 is susceptible to a vulnerability in the Tcg2MeasureGptTable() function, allowing a user to trigger a heap buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.
How severe is CVE-2022-36763?: CVE-2022-36763 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2022-36763 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36763?: CVE-2022-36763 affects Tianocore Edk2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36763?: 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.
Does CVE-2022-36763 have an EU (EUVD) identifier?: Yes. CVE-2022-36763 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-39463.
When was CVE-2022-36763 published?: CVE-2022-36763 was published on 2024-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*

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