CVE-2026-120232: Horizon DataSys Reboot Restore Standard Kernel Driver shield.sys sub_23908 memory corruption
- Is it exploited?
Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.
- How likely is exploitation in the next 30 days?
- 0.2%
EPSS score, percentile 14 of all scored records. A probability estimated by FIRST, not a report of exploitation.
CISA's SSVC assessment in the CVE record lists exploitation as poc.
- How severe?
- 9.3 Critical
CVSS v4.0 base score, given by the CNA
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
No patch or vendor advisory is listed in the CVE record. Check Horizon DataSys's advisories.
A public exploit is linked in the references.
- Which versions are affected?
Affected
- 13.0
- 13.1
- 13.2
Source: CISA KEV 2026.11.10, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
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.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
No patch, vendor advisory or mitigation is listed in the CVE record. Check Horizon DataSys's own security advisories for a fix, and compare your version with the affected versions below.
A public exploit is linked in the references.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Affected | 13.0 |
| Affected | 13.1 |
| Affected | 13.2 |
Source: CVE List, as of . About the data.
Weakness
CWE-119
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
5
- CVE-2026-120232 | CVE Analysis and Report
- Submit #1001497 | Horizon DataSys Reboot Restore Standard v13.2 (and prior) Improper Input Validation
- VDB-429591 | Horizon DataSys Reboot Restore Standard Kernel Driver shield.sys sub_23908 memory corruption
- gist.github.com
- VDB-429591 | CTI Indicators (IOB, IOC, IOA)