How severe is CVE-2023-44157?

CVE-2023-44157 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-44157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-44157?

CVE-2023-44157 primarily affects Acronis Cyber Protect. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-44157?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-44157 published?

CVE-2023-44157 was published on 2023-09-27 and last updated on 2026-06-17.

CVE-2023-44157

CVE-2023-44157 is a high-severity vulnerability in Acronis Cyber Protect with a CVSS 3.x base score of 7.8. 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-276.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Acronis Cyber Protect
Published: 2023-09-27
Last modified: 2026-06-17

Description

Local privilege escalation due to insecure folder permissions. The following products are affected: Acronis Cyber Protect 15 (Windows) before build 35979.

Frequently asked questions

What is CVE-2023-44157?: Local privilege escalation due to insecure folder permissions. The following products are affected: Acronis Cyber Protect 15 (Windows) before build 35979.
How severe is CVE-2023-44157?: CVE-2023-44157 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-44157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-44157?: CVE-2023-44157 primarily affects Acronis Cyber Protect. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-44157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-44157 published?: CVE-2023-44157 was published on 2023-09-27 and last updated on 2026-06-17.

References

https://security-advisory.acronis.com/advisories/SEC-3956

Affected products (7)

cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:-:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update1:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update2:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update3:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update4:*:*:*:*:*:*
cpe:2.3:a:acronis:cyber_protect:15:update5:*:*:*:*:*:*

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