Affects Microsoft Power Apps, a widely-used enterprise platform; authenticated bypass could enable broad access.
CVE-2026-26149
Power Apps auth bypass via improper control sequence handling.
Is CVE-2026-26149 being exploited?
Not confirmed. CVE-2026-26149 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 0.56% probability of exploitation in the next 30 days.
How severe is CVE-2026-26149?
CVE-2026-26149 is rated Critical with a CVSS score of 9.0. 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-2026-26149?
Yes. A fix has been recorded for CVE-2026-26149. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-26149 affect?
CVE-2026-26149 affects Microsoft Power Apps. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-26149?
Patch ASAP when available
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can bypass a security feature over the network, potentially accessing restricted features or data.
Patch when possible
- affected>= 1.0.0 and < 3.26032.10.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.