Privilege escalation in Power Sofware Poweriso
CVE-2026-19189
A security flaw has been discovered in Power Sofware PowerISO 9.3.0.0. Affected by this issue is some unknown functionality in the library C:\Windows\System32\drivers\scdemu.sys of the component Kernel Driver. The manipulation results in improper privilege management. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Power Sofware Poweriso — versions 9.3.0.0
Weakness classification (CWE)
References
- vuldb.com/vuln/386707 (vdb-entry)
- vuldb.com/vuln/386707/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19189 (third-party-advisory)
- vuldb.com/submit/864536 (third-party-advisory)
- winslow1984.com/books/cve-collection/page/poweriso-9300-kernel-driver-6900-loca… (exploit)
Frequently asked questions
- What is CVE-2026-19189?
- CVE-2026-19189 is a high-severity vulnerability in Power Sofware Poweriso, classified under Incorrect Privilege Assignment. CVSS score: 7.8/10. Published 2026-08-07.
- How severe is CVE-2026-19189?
- High severity. CVSS v3 base score is 7.8 out of 10.