CVE-2026-41106: Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.

criticalCVSS 9.3CVE-2026-41106

Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: critical — CVSS 9.3
Published: 2026-07-02
Last updated: 2026-07-07
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-41106

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-411060.53% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-41106	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Url redirection to

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-55806: URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows…nvd · 2026-07-10
criticalGHSA-h29v-hj44-q8cv: Authorizer: Unvalidated redirect_uri in /authorize leaks OAuth2 tokens to attacker-contro…ghsa · 2026-07-10
mediumGHSA-h5g6-xmh4-hc37: OpenRun: Redirect URL validation bypass using //host paths leads to Open Redirectghsa · 2026-07-09
unknownCVE-2026-54004: Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites with …nvd · 2026-07-09
highCVE-2026-59806: Gradio before 6.20.0 contains an open redirect and server-side request forgery vulnerability t…nvd · 2026-07-08
unknownCVE-2026-58520: URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation …nvd · 2026-07-01