CVE-2026-120740
lowA flaw was found in hivex.
A flaw was found in hivex. By supplying a specially crafted Windows registry hive file, an attacker can trigger an out-of-bounds memory read when hivex parses registry values containing malformed large data block lists. This issue can cause the application processing the registry file to crash, resulting in a Denial of Service (DoS).
CVSS
2.0
2.0 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-11-02 22:17
Modified: 2026-11-02 22:17
NVD status: Awaiting Analysis
Last synced 1 day ago
Verified against the source API 2026-11-03 07:36 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/security/cve/CVE-2026-120740 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2565405 secalert@redhat.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-03 07:36 UTC · record ↗