CVE-2021-43771

HIGH
7.8
CVSS Score
Published: November 30, 2021 at 11:18 AM UTC
Updated: June 17, 2026 at 04:11 AM UTC
1 product affected across 1 vendorAntivirus+

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%

Description

Trend Micro Antivirus for Mac 2021 v11 (Consumer) is vulnerable to an improper access control privilege escalation vulnerability that could allow an attacker to establish a connection that could lead to full local privilege escalation within the application. Please note that an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

11.0 ≤ v < 11.0.216311.0
Affected range stops below 11.0.2163, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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