CVE-2026-54123General(microsoft / defender_for_endpoint)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an authorized attacker to disclose information locally.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-200

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • defender_for_endpoint

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
defender_for_endpoint

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-12: 108-12
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Windows Forum@windowsforum
    General

    🛡️ Microsoft published a Defender for Mac CVE, but not the vulnerable build or fix version. Admins get the vulnerability equivalent of a “trust me, bro” update. https://windowsforum.com/security-alerts.84/cve-2026-54123-defender-for-mac-fix-version-still-unknown.442668/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #VulnerabilityManagement #MacosSecurity #MicrosoftDefender #Cve202654123 https://t.co/OXUZPbNWPY

    Post summary

    The post announces Microsoft has listed CVE‑2026‑54123 for Defender for Mac but provides no technical details, patches, or evidence of exploitation, leaving the situation largely uninformative.

    0000069
    1.3K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftdefender_for_endpoint-macos-

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