CVE-2026-76463

Unspecified impact via undisclosed access-control flaws

Published Oct 7, 2026 · Updated Oct 7, 2026

Improper access control in Cisco Meraki firmware affects Campus Gateway, MR, MX, and MV devices, with impact and entry points undisclosed. Cisco identifies a grouped set of access-control issues but has not published the affected functions, the checks they mishandle, or the operation granted to attackers. The required privileges, network position, configuration, and consequences cannot be established from the available disclosure.

CVSS severityUnavailable
Unscored
EPSS probability0.14%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Cisco Meraki firmware affects Campus Gateway, MR, MX, and MV devices, with impact and entry points undisclosed. Cisco identifies a grouped set of access-control issues but has not published the affected functions, the checks they mishandle, or the operation granted to attackers. The required privileges, network position, configuration, and consequences cannot be established from the available disclosure.

The record

CVE
CVE-2026-76463
Published
Oct 7, 2026
Updated
Oct 7, 2026
Vendor
Clam AntiVirus
Product
Cisco Campus Gateway
Classifications
CWE-284
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Oct 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 7, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=CG 33.1.3

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Clam AntiVirus · Cisco Campus Gatewayversion=CG 33.1.3
Clam AntiVirus · Cisco Meraki MV Firmwareversion=2.0; version=2.1; version=2.2; version=3.0; version=3.1; version=3.10; version=3.11; version=3.12; version=3.13; version=3.14; version=3.15; version=3.16; version=3.17; version=3.18; version=3.19; version=3.2; version=3.20; version=3.21; version=3.22; version=3.23; version=3.24; version=3.25; version=3.26; version=3.27; version=3.28; version=3.29; version=3.3; version=3.30; version=3.31; version=3.32; version=3.33; version=3.34; version=3.35; version=3.36; version=3.4; version=3.5; version=3.6; version=3.7; version=3.8; version=3.9; version=4.0; version=4.1; version=4.10; version=4.11; version=4.12; version=4.13; version=4.14; version=4.15; version=4.16; version=4.17; version=4.18; version=4.18.1; version=4.19; version=4.2; version=4.20; version=4.3; version=4.4; version=4.5; version=4.6; version=4.7; version=4.8; version=4.9; version=5.0; version=5.1; version=5.2; version=5.3; version=5.4; version=5.4.1; version=5.5; version=5.5.1; version=5.6; version=5.6.1; version=5.6.2; version=6.0; version=6.0.1; version=6.0.2; version=6.1; version=6.1.1; version=6.1.2; version=6.2; version=6.2.1; version=6.2.2; version=6.3; version=6.3.2; version=MV 7.2.1; version=MV 7.2.2; version=MV 7.3; version=MV 7.3.1; version=MV 7.3.2
Clam AntiVirus · Cisco Meraki MX Firmwareversion=16.2; version=16.3; version=16.4; version=16.5; version=16.6; version=17.10; version=17.3; version=17.6; version=17.7; version=17.8; version=17.9; version=18.1; version=18.2; version=19.1; version=MX 18.211.2; version=MX 19.2.8; version=MX 26.1.4; version=MX 26.1.5; version=MX 26.1.6; version=MX 26.2.1; version=MX 26.2.2
Clam AntiVirus · Cisco Meraki MR Wireless Access Points Softwareversion=MR 30.6; version=MR 32.1.7; version=MR 32.2.3; version=MR 32.2.4; version=MR 33.1.1; version=MR 33.1.2

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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