TianoCore vulnerabilities

By year

Bars are flaws published each year; the red part is the share attackers have used.

Latest high and critical flaws

• CVE-2026-97631 EDK2 contains a vulnerability in BIOS where a user may cause “Out-of-bounds Write”, Classic Buffer Overflow, and “Incorrect Calculation of Buffer Size” by remotCritical 9.5 · Oct 22, 2026
• CVE-2025-2296 EDK2 contains a vulnerability in BIOS where an attacker may cause “ Improper Input Validation” by local access.High 8.4 · Dec 9, 2025
• CVE-2025-3770 EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local access.High 7 · Aug 6, 2025
• CVE-2023-45235 EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy Advertise message.High 8.3 · Jan 16, 2024
• CVE-2023-45234 EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message.High 8.3 · Jan 16, 2024
• CVE-2023-45233 EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6.High 7.5 · Jan 16, 2024
• CVE-2023-45232 EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6.High 7.5 · Jan 16, 2024
• CVE-2023-45230 EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client.High 8.3 · Jan 16, 2024
• CVE-2022-36765 EDK2 is susceptible to a vulnerability in the CreateHob() function, allowing a user to trigger a integer overflow to buffer overflow via a local network.High 7 · Jan 9, 2024
• CVE-2022-36764 EDK2 is susceptible to a vulnerability in the Tcg2MeasurePeImage() function, allowing a user to trigger a heap buffer overflow via a local network.High 7 · Jan 9, 2024
• 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.High 7 · Jan 9, 2024
• CVE-2021-38578 Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.High 7.4 · Mar 3, 2022
• CVE-2021-38576 A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty.High 7.5 · Jan 3, 2022
• CVE-2021-38575 NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.High 8.1 · Dec 1, 2021
• CVE-2021-28216 BootPerformanceTable pointer is read from an NVRAM variable in PEI.High 7.8 · Aug 5, 2021
• CVE-2021-28213 Example EDK2 encrypted private key in the IpSecDxe.efi present potential security risks.High 7.5 · Jun 11, 2021
• CVE-2021-28210 An unlimited recursion in DxeCore in EDK II.High 7.8 · Jun 11, 2021
• CVE-2019-14584 Null pointer dereference in Tianocore EDK2 may allow an authenticated user to potentially enable escalation of privilege via local access.High 7.8 · Jun 3, 2021
• CVE-2019-14586 Use after free vulnerability in EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of seHigh 8 · Nov 23, 2020
• CVE-2019-14575 Logic issue in DxeImageVerificationHandler() for EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.High 7.8 · Nov 23, 2020
• CVE-2019-14563 Integer truncation in EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.High 7.8 · Nov 23, 2020
• CVE-2019-14559 Uncontrolled resource consumption in EDK II may allow an unauthenticated user to potentially enable denial of service via network access.High 7.5 · Nov 23, 2020
• CVE-2017-5731 Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege via local access.High 7.8 · Oct 28, 2019
• CVE-2019-0160 Buffer overflow in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege and/or denial of service via network Critical 9.8 · Mar 27, 2019