CVE-2026-33271 | Acronis True Image up to 42389 permission assignment (EUVD-2026-18424)
VulDBArchived Apr 02, 2026✓ Full text saved
A vulnerability, which was classified as critical , has been found in Acronis True Image up to 42389 . Affected by this issue is some unknown functionality. The manipulation leads to incorrect permission assignment. This vulnerability is documented as CVE-2026-33271 . The attack needs to be performed locally. There is not any exploit available. It is advisable to upgrade the affected component.
Full text archived locally
✦ AI Summary· Claude Sonnet
VDB-354972 · CVE-2026-33271 · EUVD-2026-18424
ACRONIS TRUE IMAGE UP TO 42389 PERMISSION ASSIGNMENT
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
6.7 $0-$5k 1.36+
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).
Productinfo
Vendor
Acronis
Name
True Image
Version
9.5.8072
24.5.22510
2021
2021 Update 3
2021 Update 4
41396
41736
42386
42389
License
commercial
CPE 2.3info
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CPE 2.2info
🔒
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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
Vector Complexity Authentication Confidentiality Integrity Availability
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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
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: 99:865:101
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