CVE-2025-64394
Severity not reportedData quality: awaiting analysis.
NVD has not completed analysis, so CVSS and affected-product data may be missing or change.
A vulnerability allowing a low-privileged local user to write arbitrary files with SYSTEM privileges during the installation of Veeam Backup for Microsoft 365,…
A vulnerability allowing a low-privileged local user to write arbitrary files with SYSTEM privileges during the installation of Veeam Backup for Microsoft 365, which can lead to privilege escalation or denial of service.
CVSS
—
Awaiting analysis by NVD
Timeline (UTC)
Published: 2026-10-27 17:16
Modified: 2026-10-28 14:47
NVD status: Awaiting Analysis
Last synced 1 day ago
Verified against the source API 2026-10-28 14:55 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://www.veeam.com/kb4957 support@hackerone.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 14:55 UTC · record ↗