CVE-2026-120232

Horizon DataSys Reboot Restore Standard Kernel Driver shield.sys sub_23908 memory corruption

A vulnerability was identified in Horizon DataSys Reboot Restore Standard up to 13.2. The impacted element is the function sub_23908 in the library shield.sys of the component Kernel Driver. Such manipulation leads to memory corruption. The attack can only be performed from a local environment. The exploit is publicly available and might be used. A fix is planned for the upcoming release.

Affected

Horizon DataSys · Reboot Restore Standard

CVSS v4.0 VULDB

8.5 HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

8.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 VULDB

6.8 MEDIUMAV:L/AC:L/Au:S/C:C/I:C/A:C

EPSS

0.23% chance of exploitation in the next 30 days, 14th percentile

Published

2026-11-01

Updated

2026-11-02

Proof-of-concept exploits (2)

• Element2023H/CVE-2026-120232Repo stars 1★ · pushed 2026-11-01 · snapshot
  2 files

  POC.cppPOC.cpp
• https://gist.github.com/Element2023H/a176865b1f4015e003620154f3ba103csnapshot

CVE references

• https://vuldb.com/cve/CVE-2026-120232ADVISORY
• https://vuldb.com/submit/1001497ADVISORY
• https://vuldb.com/vuln/429591REFERENCE
• https://vuldb.com/vuln/429591/ctiREFERENCE

References

• CVE Record
• NVD entry