Is CVE-2026-2540 actively exploited?

No active exploitation of CVE-2026-2540 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-2540 be exploited remotely?

Partially. CVE-2026-2540 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2026-2540?

CVE-2026-2540 has a CVSS score of 8.4 (HIGH) and an EPSS exploitation probability of 0.01%.

HOME VULNERABILITIESCVE-2026-2540

HIGH

CVE-2026-2540

CWE-288Published: February 15, 2026· Updated: Feb 18, 2026

8.4

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:0.4th

Official Description

The Micca KE700 system contains flawed resynchronization logic and is vulnerable to replay attacks. This attack requires sending two previously captured codes in a specific sequence. As a result, the system can be forced to accept previously used (stale) rolling codes and execute a command. Successful exploitation allows an attacker to clone the alarm key. This grants the attacker unauthorized access to the vehicle to unlock or lock the doors.

NVD Source

Technical Analysis

CVE-2026-2540 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:L/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:D/RE:M/U:X