CVE-2026-120232

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

CVSS score

9.3

EPSS probability

—

Risk score

0.9

Published

4 h ago

Overview Public Exploits (2)Newsroom Vulnerability Timeline

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach AI Explanation

Verified against sources

CVE-2026-120232: Horizon DataSys Reboot Restore Standard Kernel Driver Memory Corruption

Sources read

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A memory corruption vulnerability affects Horizon DataSys Reboot Restore Standard up to 13.2 within the shield.sys component's sub_23908 function. The attack can be performed locally and a public exploit exists. S0.

Why does it matter?

This critical vulnerability causes kernel-level memory corruption, allowing a local attacker to target the system with high severity impacts. S0.

What should be done?

Follow vendor advisories for upcoming fixes.
Monitor for official release updates.
Restrict local access controls.

Chain of evidence and sources2 verified claims

Horizon DataSys Reboot Restore Standard 13.2 ve önceki sürümleri shield.sys içindeki sub_23908 fonksiyonunda bellek bozulması zafiyetinden etkilenmektedir.

S0 · daybreach-canonical S1 · cvelist

Saldırı yalnızca yerel bir ortamdan gerçekleştirilebilir ve kamuya açık bir istismar mevcuttur.

S0 · daybreach-canonical S1 · cvelist

Show the technical text from the sources

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.

CVSS vector: CVSS: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

CWE: CWE-119

This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-120232 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	Horizon DataSys	Reboot Restore Standard	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
9.3	CVSS V4_0	CRITICAL	CVSS: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	CVE CNA
8.8	CVSS V31	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	NVD
8.8	CVSS V3_1	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C	CVE CNA
8.8	CVSS V3_0	HIGH	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C	CVE CNA
8.5	CVSS V40	HIGH	CVSS: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	NVD
6.8	CVSS V2	—	AV:L/AC:L/Au:S/C:C/I:C/A:C	NVD
6.8	CVSS V2_0	—	AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:C	CVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

CVE-2026-120232 : the database holds 2 public PoC/exploit sources for it. For direct links to the sources, open the Public Exploits tab.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-120232 is associated with the following CWEs:

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-120232 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim

PermissionsLow

UserGerekmiyor

Official Sources and Advisories

VDB-429591 | Horizon DataSys Reboot Restore Standard Kernel Driver shield.sys sub_23908 memory corruptionvendor-advisory VDB-429591 | CTI Indicators (IOB, IOC, IOA)vendor-advisory CVE-2026-120232 | CVE Analysis and Reportvendor-advisory Submit #1001497 | Horizon DataSys Reboot Restore Standard v13.2 (and prior) Improper Input Validationvendor-advisory https://gist.github.com/Element2023H/a176865b1f4015e003620154f3ba103cvendor-advisory

CVSS Vector Radar Chart

9.3 / 10

Vulnerability Scoring Details

CVSS: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

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow privileges

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

Horizon DataSys

Weakness Type (CWE & CAPEC)

CWE-119

Get this vulnerability through the API

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