What is CVE-2025-48963?

CVE-2025-48963 is a high-severity vulnerability in Acronis Cyber Protect Cloud Agent, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 7.3/10. Published 2025-08-28.

How severe is CVE-2025-48963?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Acronis Cyber Protect Cloud Agent

CVE-2025-48963

Local privilege escalation due to improper soft link handling. The following products are affected: Acronis Cyber Protect Cloud Agent (Linux, macOS, Windows) before build 40296.

Published 2025-08-28 · last modified 2026-10-18.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.2th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Acronis Cyber Protect Cloud Agent — versions unspecified

Weakness classification (CWE)

CWE-610 — Externally Controlled Reference to a Resource in Another Sphere

References

security-advisory.acronis.com/advisories/SEC-8568 (vendor-advisory)

Frequently asked questions

What is CVE-2025-48963?: CVE-2025-48963 is a high-severity vulnerability in Acronis Cyber Protect Cloud Agent, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 7.3/10. Published 2025-08-28.
How severe is CVE-2025-48963?: High severity. CVSS v3 base score is 7.3 out of 10.