CVE-2023-26077

✓ Confirmed 0-Day
Triaged: March 20, 2026 1 article

EPSS Score

Source: FIRST.org · 2026-05-24
0.05%
probability
This CVE has a 0.05% probability of being exploited in the next 30 days.
0% Top 16.1th percentile of all CVEs 100%

CVSS v3.1

Source: NVD
7.8
HIGH
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

NVD
Atera Agent through 1.8.3.6 on Windows Creates a Temporary File in a Directory with Insecure Permissions.

Affected Products

atera
atera

Attack Intelligence

Signal Intelligence

Confidence
78%
EPSS 0.05%
CVSS v3.1 7.8
Mentions 1

CNA Information

Analyst Note

CVE-2023-26077 is explicitly named as a zero-day in Atera Windows Installers, discovered by Mandiant on February 28, 2023. The article clearly designates it as a zero-day vulnerability enabling privilege escalation. Timing aligns with 2023 CVE year, and Mandiant discovery provides credible evidence of in-the-wild exploitation context, though patch timing details are not explicitly stated in the excerpt.

Triage Info

Decided atMar 20, 2026