How severe is CVE-2026-33271?

CVE-2026-33271 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-33271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33271?

CVE-2026-33271 affects Acronis True Image. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33271?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-33271 have an EU (EUVD) identifier?

Yes. CVE-2026-33271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18424.

When was CVE-2026-33271 published?

CVE-2026-33271 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2026-33271

CVE-2026-33271 is a medium-severity vulnerability in Acronis True Image with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18424
Weakness: CWE-732
Affected product: Acronis True Image
Published: 2026-04-02
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-33271?: Local privilege escalation due to insecure folder permissions. The following products are affected: Acronis True Image (Windows) before build 42902.
How severe is CVE-2026-33271?: CVE-2026-33271 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-33271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33271?: CVE-2026-33271 affects Acronis True Image. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33271 have an EU (EUVD) identifier?: Yes. CVE-2026-33271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18424.
When was CVE-2026-33271 published?: CVE-2026-33271 was published on 2026-04-02 and last updated on 2026-06-17.

References

https://security-advisory.acronis.com/advisories/SEC-9108

Affected products (1)

cpe:2.3:a:acronis:true_image:*:*:*:*:*:windows:*:*

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