CVE-2026-8863

Katalog CVE

CVSS 7.8 · High EPSS 0,11%

Skor CVSS 3.1 7.8 (High) menurut CISA ADP.

Deskripsi (NVD)

Multiple Microsoft-sigend UEFI SHIM bootloaders are vulnerable to SecureBoot bypass. An attacker with administrative privileges or the ability to modify the boot process could use one of the vulnerable shim bootloaders to bypass Secure Boot protections and execute arbitrary code before the operating system loads. Specific UEFI DBX update is required to block these vulnerable boot loaders.

Rincian

Terbit di NVD

9 Juni 2026

Terakhir diubah

23 Juli 2026

Status NVD

Deferred

CVSS 3.1

7.8 (High), sumber CISA ADP
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

EPSS (30 hari)

0,11% peluang dieksploitasi; lebih tinggi dari 1,0% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://kb.cert.org/vuls/id/616257
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-8863
• https://www.kb.cert.org/vuls/id/616257