What is CVE-2026-33271?

CVE-2026-33271 is a medium-severity vulnerability in Acronis True Image, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.7/10. Published 2026-04-02.

How severe is CVE-2026-33271?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Acronis True Image

CVE-2026-33271

Local privilege escalation due to insecure folder permissions. The following products are affected: Acronis True Image (Windows) before build 42902.

Published 2026-04-02 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.5th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.5% 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 True Image — versions unspecified
Acronis True Image

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

security-advisory.acronis.com/advisories/SEC-9108 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-33271?: CVE-2026-33271 is a medium-severity vulnerability in Acronis True Image, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.7/10. Published 2026-04-02.
How severe is CVE-2026-33271?: Medium severity. CVSS v3 base score is 6.7 out of 10.