# Tianocore Edk2 vulnerabilities

Source: https://junglewise.ai/threats/technologies/edk2  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/edk2.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Tianocore Edk2: 2 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-18448, was published on 10 November 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 2
- Last 30 days: 3
- Last 90 days: 3
- All time: 4 (0 critical, 0 exploited in the wild)

## Latest Tianocore Edk2 vulnerabilities

- [CVE-2026-18448: EDK2 SMRAM information disclosure during transient execution](https://junglewise.ai/threats/cve-2026-18448-edk2-contains-a-vulnerability-in-bios-where-a-privileged-attacker) (info, published 10 Nov 2026)
- [CVE-2026-14968: EDK2 MmSaveStateLib out-of-bounds write in AMD SysCall path](https://junglewise.ai/threats/cve-2026-14968-edk2-contains-vulnerabilities-in-bios-where-skilled-and) (info, published 10 Nov 2026)
- [CVE-2026-97631: EDK2 buffer overflow in PXE driver pre-boot RCE](https://junglewise.ai/threats/cve-2026-97631-edk2-contains-a-vulnerability-in-bios-where-a-user-may-cause-out) (info, published 22 Oct 2026)
- [CVE-2025-2486: The Ubuntu edk2 UEFI firmware packages accidentally allowed the UEFI Shell to be accessed in Secure Boot environments…](https://junglewise.ai/threats/cve-2025-2486-the-ubuntu-edk2-uefi-firmware-packages-accidentally-allowed-the) (high, CVSS 8.8, published 26 Nov 2025)

## Most severe Tianocore Edk2 vulnerabilities

- [CVE-2025-2486: The Ubuntu edk2 UEFI firmware packages accidentally allowed the UEFI Shell to be accessed in Secure Boot environments…](https://junglewise.ai/threats/cve-2025-2486-the-ubuntu-edk2-uefi-firmware-packages-accidentally-allowed-the) (high, CVSS 8.8, published 26 Nov 2025)
- [CVE-2026-18448: EDK2 SMRAM information disclosure during transient execution](https://junglewise.ai/threats/cve-2026-18448-edk2-contains-a-vulnerability-in-bios-where-a-privileged-attacker) (info, published 10 Nov 2026)
- [CVE-2026-14968: EDK2 MmSaveStateLib out-of-bounds write in AMD SysCall path](https://junglewise.ai/threats/cve-2026-14968-edk2-contains-vulnerabilities-in-bios-where-skilled-and) (info, published 10 Nov 2026)
- [CVE-2026-97631: EDK2 buffer overflow in PXE driver pre-boot RCE](https://junglewise.ai/threats/cve-2026-97631-edk2-contains-a-vulnerability-in-bios-where-a-user-may-cause-out) (info, published 22 Oct 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 1 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 2 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Tianocore Edk2 vulnerabilities", https://junglewise.ai/threats/technologies/edk2, 11 November 2026.