How severe is CVE-2023-26078?

CVE-2023-26078 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-2023-26078 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26078?

CVE-2023-26078 affects Atera. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26078?

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-2023-26078 published?

CVE-2023-26078 was published on 2023-07-24 and last updated on 2026-06-17.

CVE-2023-26078

CVE-2023-26078 is a high-severity vulnerability in Atera 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.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Atera
Published: 2023-07-24
Last modified: 2026-06-17

Description

Privilege escalation vulnerability was discovered in Atera Agent 1.8.4.4 and prior on Windows due to mishandling of privileged APIs.

Frequently asked questions

What is CVE-2023-26078?: Privilege escalation vulnerability was discovered in Atera Agent 1.8.4.4 and prior on Windows due to mishandling of privileged APIs.
How severe is CVE-2023-26078?: CVE-2023-26078 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-2023-26078 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26078?: CVE-2023-26078 affects Atera. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26078?: 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-2023-26078 published?: CVE-2023-26078 was published on 2023-07-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:atera:atera:*:*:*:*:*:*:*:*

More vulnerabilities in Atera

CVE-2023-26077 — High (CVSS 7.8): Atera Agent through 1.8.3.6 on Windows Creates a Temporary File in a Directory with Insecure Permissions.

All CVEs affecting Atera →