VulnSocial

CVE-2026-78501Disclosure(microsoft / 365_copilot_chat)

LOWCVSS 8.6 · HIGH

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

Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to disclose information over a network.

microsoft CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-77CWE-923

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.

  • 365_copilot_chat

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
365_copilot_chat

1 version affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-18: 1Technical Details · 2026-09-18: 109-18
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • CVE@CVEnew
    Disclosure

    CVE-2026-78501 Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to disclo… https://www.cve.org/CVERecord?id=CVE-2026-78501

    Post summary

    The text announces CVE-2026-78501 as a command injection flaw in Microsoft 365 Copilot Business Chat, disclosing technical details while omitting PoC, exploit code, active exploitation evidence, and remediation steps.

    000001.3K
    58.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoft365_copilot_chat---

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