TITLE: HP BIOS and System Firmware (S77)
VERSION: 01.21.00 REV: A PASS: 1
DESCRIPTION:
This package creates files that contain an image of the System BIOS (ROM) for
the supported HP EliteBook 800 G7 models with an S77 family ROM.
PURPOSE: Critical
SOFTPAQ NUMBER: sp158099
SOFTPAQ FILE NAME: sp158099.exe
SOFTPAQ MD5: 55EAB73E32CAD942EA66560C06ADF5CD
SUPERSEDES: sp156850
EFFECTIVE DATE: April 23, 2025
CATEGORY: BIOS - System Firmware
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Notebooks
HARDWARE PRODUCT MODEL(S):
HP EliteBook 845 G7 Notebook PC
HP EliteBook 835 G7 Notebook PC
HP EliteBook 855 G7 Notebook PC

OPERATING SYSTEM(S):
Microsoft Windows 10 All Editions (64-bit)
Microsoft Windows 11

LANGUAGE(S): Global

ENHANCEMENTS:
- Addresses security vulnerabilities CVE-2023-6215, CVE-2024-24853,
CVE-2024-24968, and CVE-2024-36347.

- Includes the following firmware:
AMD GOP EFI Driver, version 2.24.0.17.10.Mar 19 2024.02:19:42
AMD Legacy vBIOS, version VER017.010.000.031.000000
Cypress Power Delivery (PD) Firmware, version 2.1.0
EC/SIO Firmware, version 07.43.00
PREREQUISITES:
- Realtek HD Audio Driver version 4.9369.5427.91 Rev. Q or later must be
installed before updating the BIOS to version 01.11.00 to prevent the occurrence
of a blue screen loop. To avoid the loop, disable Audio in the F10 menu and then
install the driver.
HOW TO USE:
1. Download the file by clicking the Download or Obtain Software button and
saving the file to a folder on your hard drive (make a note of the folder where
the downloaded file is saved).

2. Double-click the downloaded file and follow the on-screen instructions.

Copyright (c) 2025 HP Development Company, L.P.