Privilege escalation in Aomei Partition Assistant
CVE-2026-12778
A vulnerability has been found in AOMEI Partition Assistant up to 10.10.1. This vulnerability affects unknown code in the library ampa10.sys of the component Kernel Driver. Such manipulation leads to improper access controls. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. 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 (4.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.7% 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
- Aomei Partition Assistant — versions 10.10.0, 10.10.1
Weakness classification (CWE)
References
- vuldb.com/vuln/372519 (vdb-entry)
- vuldb.com/vuln/372519/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-12778 (third-party-advisory)
- vuldb.com/submit/835607 (third-party-advisory)
- winslow1984.com/books/cve-collection/page/aomei-partition-assistant-10101-kerne… (exploit)
Frequently asked questions
- What is CVE-2026-12778?
- CVE-2026-12778 is a high-severity vulnerability in Aomei Partition Assistant, classified under Incorrect Privilege Assignment. CVSS score: 7.8/10. Published 2026-06-21.
- How severe is CVE-2026-12778?
- High severity. CVSS v3 base score is 7.8 out of 10.