tianocore edk2 vulnerabilities, newest first

By year: all 2026 2025 2024 2023 2022 2021

1. 5.6CVE-2026-18448EPSS 0.1%2026-11-10

   EDK2 contains a vulnerability in BIOS where a privileged attacker may cause “Exposure of Sensitive Information during Transient Execution” by local access. Successful exploitation of this vulnerability may result in disclosure of SMRAM con…

2. 7.0CVE-2026-14968EPSS 0.1%2026-11-10

   EDK2 contains vulnerabilities in BIOS where skilled and privileged users or attackers may cause “Out-of-bounds Write” by local access. Successful exploitation of this vulnerability could compromise SMM handler integrity, cause system insta…

3. 9.5CVE-2026-97631EPSS 0.6%2026-10-22

   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 remote access. Successful exploitation of this vulnerability can lead to arbitrary c…

4. 8.4CVE-2025-2296EPSS 0.8%2025-12-09

   EDK2 contains a vulnerability in BIOS where an attacker may cause “ Improper Input Validation” by local access. Successful exploitation of this vulnerability could alter control flow in unexpected ways, potentially allowing arbitrary comma…

5. 5.8CVE-2024-38798EPSS 0.2%2025-12-09

   EDK2 contains a vulnerability in BIOS where an attacker may cause “Exposure of Sensitive Information to an Unauthorized Actor” by local access. Successful exploitation of this vulnerability will lead to possible information disclosure or…

6. 3.7CVE-2025-2486EPSS 0.1%2025-11-26

   The Ubuntu edk2 UEFI firmware packages accidentally allowed the UEFI Shell to be accessed in Secure Boot environments, possibly allowing bypass of Secure Boot constraints. Versions 2024.05-2ubuntu0.3 and 2024.02-2ubuntu0.3 disable the Shel…

7. 6.3CVE-2024-38805EPSS 0.2%2025-08-12

   EDK2 contains a vulnerability in BIOS where a user may cause an Integer Overflow or Wraparound by network means. A successful exploitation of this vulnerability may lead to denial of service.

8. 7.0CVE-2025-3770EPSS 0.2%2025-08-07

   EDK2 contains a vulnerability in BIOS where an attacker may cause “Protection Mechanism Failure” by local access. Successful exploitation of this vulnerability will lead to arbitrary code execution and impact Confidentiality, Integrity, an…

9. 4.6CVE-2024-38797EPSS 0.2%2025-04-07

   EDK2 contains a vulnerability in the HashPeImageByType(). A user may cause a read out of bounds when a corrupted data pointer and length are sent via an adjecent network. A successful exploit of this vulnerability may lead to a loss of Int…

10. 3.5CVE-2025-2295EPSS 0.2%2025-03-14

    EDK2 contains a vulnerability in BIOS where a user may cause an Integer Overflow or Wraparound by network means. A successful exploitation of this vulnerability may lead to denial of service.

11. 5.9CVE-2024-38796EPSS 0.4%2024-09-27

    EDK2 contains a vulnerability in the PeCoffLoaderRelocateImage(). An Attacker may cause memory corruption due to an overflow via an adjacent network. A successful exploit of this vulnerability may lead to a loss of Confidentiality, Integri…

12. 6.0CVE-2024-1298EPSS 0.2%2024-05-30

    EDK2 contains a vulnerability when S3 sleep is activated where an Attacker may cause a Division-By-Zero due to a UNIT32 overflow via local access. A successful exploit of this vulnerability may lead to a loss of Availability.

13. 6.7CVE-2023-49721EPSS 0.2%2024-02-14

    An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.

14. 6.7CVE-2023-48733EPSS 0.3%2024-02-14

    An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. This allows an OS-resident attacker to bypass Secure Boot.

15. 7.5CVE-2023-45237EPSS 1.0%2024-01-16

    EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

16. 7.5CVE-2023-45236EPSS 1.0%2024-01-16

    EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

17. 8.8CVE-2023-45235EPSS 1.2%2024-01-16

    EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and p…

18. 8.8CVE-2023-45234EPSS 1.2%2024-01-16

    EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially l…

19. 7.5CVE-2023-45233EPSS 2.1%2024-01-16

    EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially l…

20. 7.5CVE-2023-45232EPSS 2.1%2024-01-16

    EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentiall…

21. 6.5CVE-2023-45231EPSS 0.8%2024-01-16

    EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing  Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a …

22. 8.8CVE-2023-45230EPSS 1.2%2024-01-16

    EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confi…

23. 6.5CVE-2023-45229EPSS 1.0%2024-01-16

    EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and pot…

24. 7.8CVE-2022-36765EPSS 0.3%2024-01-09

    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. Successful exploitation of this vulnerability may result in a compromise of confident…

25. 7.8CVE-2022-36764EPSS 0.3%2024-01-09

    EDK2 is susceptible to a vulnerability in the Tcg2MeasurePeImage() 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…

26. 7.8CVE-2022-36763EPSS 0.3%2024-01-09

    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…

27. 9.8CVE-2021-38578EPSS 1.0%2022-03-03

    Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.

28. 7.5CVE-2021-38576EPSS 1.3%2022-01-03

    A BIOS bug in firmware for a particular PC model leaves the Platform authorization value empty. This can be used to permanently brick the TPM in multiple ways, as well as to non-permanently DoS the system.

29. 8.1CVE-2021-38575EPSS 2.0%2021-12-01

    NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.

30. 7.5CVE-2021-28213EPSS 1.1%2021-06-11

    Example EDK2 encrypted private key in the IpSecDxe.efi present potential security risks.

31. 6.7CVE-2021-28211EPSS 0.4%2021-06-11

    A heap overflow in LzmaUefiDecompressGetInfo function in EDK II.

32. 7.8CVE-2021-28210EPSS 0.4%2021-06-11

    An unlimited recursion in DxeCore in EDK II.

33. 7.8CVE-2019-14584EPSS 0.3%2021-06-03

    Null pointer dereference in Tianocore EDK2 may allow an authenticated user to potentially enable escalation of privilege via local access.

34. 6.5CVE-2019-14587EPSS 0.6%2020-11-23

    Logic issue EDK II may allow an unauthenticated user to potentially enable denial of service via adjacent access.

35. 8.0CVE-2019-14586EPSS 0.7%2020-11-23

    Use after free vulnerability in EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via adjacent access.

36. 7.8CVE-2019-14575EPSS 0.4%2020-11-23

    Logic issue in DxeImageVerificationHandler() for EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.

37. 7.8CVE-2019-14563EPSS 0.4%2020-11-23

    Integer truncation in EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.

38. 5.5CVE-2019-14562EPSS 0.3%2020-11-23

    Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.

39. 7.5CVE-2019-14559EPSS 1.3%2020-11-23

    Uncontrolled resource consumption in EDK II may allow an unauthenticated user to potentially enable denial of service via network access.

40. 4.9CVE-2019-14553EPSS 1.4%2020-11-23

    Improper authentication in EDK II may allow a privileged user to potentially enable information disclosure via network access.

41. 6.8CVE-2014-8271EPSS 0.4%2020-02-06

    Buffer overflow in the Reclaim function in Tianocore EDK2 before SVN 16280 allows physically proximate attackers to gain privileges via a long variable name.

42. 6.8CVE-2014-4860EPSS 0.5%2020-01-31

    Multiple integer overflows in the Pre-EFI Initialization (PEI) boot phase in the Capsule Update feature in the UEFI implementation in EDK2 allow physically proximate attackers to bypass intended access restrictions by providing crafted dat…

43. 6.8CVE-2014-4859EPSS 0.6%2020-01-31

    Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access restrictions via crafted data.

44. 7.8CVE-2017-5731EPSS 0.4%2019-10-28

    Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege via local access.