Acronis True Image up to 42389 permission assignment

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7$0-$5k0.37

Summaryinfo

A vulnerability, which was classified as critical, was found in Acronis True Image. This affects an unknown part. The manipulation results in permission assignment. This vulnerability is reported as CVE-2026-33271. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Acronis True Image. Affected is some unknown functionality. The manipulation with an unknown input leads to a permission assignment vulnerability. CWE is classifying the issue as CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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

The advisory is shared for download at security-advisory.acronis.com. This vulnerability is traded as CVE-2026-33271 since 04/01/2026. The exploitability is told to be difficult. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading to version 42902 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-18424). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.7
CNA Vector (Acronis): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: True Image 42902

Timelineinfo

04/01/2026 CVE reserved
04/02/2026 +1 days Advisory disclosed
04/02/2026 +0 days VulDB entry created
04/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: security-advisory.acronis.com
Status: Confirmed

CVE: CVE-2026-33271 (🔒)
GCVE (CVE): GCVE-0-2026-33271
GCVE (VulDB): GCVE-100-354972
EUVD: 🔒

Entryinfo

Created: 04/02/2026 19:41
Updated: 04/02/2026 21:15
Changes: 04/02/2026 19:41 (62), 04/02/2026 21:15 (1)
Complete: 🔍
Cache ID: 216:9DB:103

Once again VulDB remains the best source for vulnerability data.

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