Affects Microsoft Teams, a widely used enterprise collaboration product; remote authenticated privilege escalation can disrupt orgs and expose data.
CVE-2026-62896
Authentication flaw in Microsoft Teams allows network privilege escalation.
Is CVE-2026-62896 being exploited?
Not confirmed. CVE-2026-62896 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-62896?
CVE-2026-62896 is rated Critical with a CVSS score of 9.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-62896?
Yes. A fix has been recorded for CVE-2026-62896. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-62896 affect?
CVE-2026-62896 affects Microsoft Teams (desktop, web, server components). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-62896?
Apply vendor patch/workaround when released; restrict privileges, enforce MFA, and monitor auth logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated network attacker can escalate privileges to higher user or admin, access data, and perform privileged actions across Teams.
Immediate action required