CVE-2026-36425
Any local user can open the device and send process termination requests without privilege validation.
Published Jul 16, 2026 · Updated Jul 17, 2026
Key Facts
Patch immediately- CVE-2026-36425 is a medium-severity vulnerability (CVSS 6.5 v3.1).
- It is exploited in the wild, listed in Industry KEV feed since Aug 26, 2026. No public exploit code is known.
- EPSS estimates a 0.4% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
0.4%
Higher than 33.6% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
50/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Aug 26, 2026
41 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
3
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Description
An issue in OPSWAT AppRemover Driver (ardrv.sys) v2017.10.02.1551 and earlier in IOCTL handler 0x2420031. Any local user can open the device and send process termination requests without privilege validation.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Aug 26, 2026 | n/a | Not reported |
Timeline
Publicly disclosed
Jul 16, 2026
Last updated
Jul 17, 2026
Added to Industry KEV feed
Aug 26, 2026
Weakness Type
- CWE-269 Improper Privilege Management
References
FAQ
Common Questions.
An issue in OPSWAT AppRemover Driver (ardrv.sys) v2017.10.02.1551 and earlier in IOCTL handler 0x2420031.
It is exploited in the wild, listed in Industry KEV feed since Aug 26, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2026-36425 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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