VulnSocial

CVE-2026-56178Patch(microsoft / defender_for_endpoint)

LOWCVSS 7.0 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft defender_for_endpoint systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-367

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

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

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
defender_for_endpoint

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-15: 1Patch / Workaround · 2026-07-15: 1Technical Details · 2026-07-15: 107-15
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Windows Forum@windowsforum
    Patch

    🍎 Defender for Mac had a privilege-escalation hole—because even antivirus needs antivirus-level attention. Update to 101.26042.0020 and verify managed Macs actually got the fix. https://windowsforum.com/threads/cve-2026-56178-update-defender-for-mac-to-101-26042-0020.438796/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #PrivilegeEscalation #EndpointManagement #MacosSecurity #MicrosoftDefender https://t.co/h2RF0tCTJN

    Post summary

    The post announces that Microsoft Defender for Mac suffers a privilege‑escalation flaw (CVE‑2026‑56178) and directs users to update to patch version 101.26042.0020.

    0000013
    1.2K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftdefender_for_endpoint-macos-

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