What is CVE-2022-36763?

CVE-2022-36763 is a high-severity vulnerability in Tianocore Edk2, classified under Heap-based Buffer Overflow. CVSS score: 7.0/10. Published 2024-01-09.

How severe is CVE-2022-36763?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2022-36763 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tianocore Edk2

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 confidentialit…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (20.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H.

Affected products

Tianocore Edk2

Weakness classification (CWE)

Public proof-of-concept exploits

References

infosec@edk2.groups.io (Mitigation, Vendor Advisory)
infosec@edk2.groups.io
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2022-36763?: CVE-2022-36763 is a high-severity vulnerability in Tianocore Edk2, classified under Heap-based Buffer Overflow. CVSS score: 7.0/10. Published 2024-01-09.
How severe is CVE-2022-36763?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2022-36763 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.