CVE•Published 2026-06-04•Modified 2026-07-23•1 article on news•5 live references•NVD data

CVE-2026-42824Microsoft · Copilot

Vulnerability data via NVD (ingested)

CVSS v3.1

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS percentile

Exploit Prediction Scoring System · top 6% of all CVEs

Weaknesses (CWE)

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')

Description

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Timeline

Published 2026-06-04

Modified 2026-07-23

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-42824

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Microsoft Copilot"

All exposed Microsoft Copilot instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Copilot"

HTTP body or banner mentions "Copilot" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-42824