CVE-2026-21509
KEV
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Zaufanie do niezweryfikowanych danych w Microsoft Office pozwala lokalnie obejść funkcję zabezpieczeń.
CVSS
7.8
EPSS
72.2%
Exploit
weaponized
Vendor
microsoft
Opis źródłowy (NVD)
Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.
brak
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 7.8 |
| CISA KEV (aktywnie wykorzystywane) | Tak |
| FIRST EPSS (prawdopodobieństwo exploita) | 72.2% |
| Opublikowano (NVD) | 2026-01-26 18:16:38 UTC |
| Ostatnia modyfikacja (NVD) | 2026-06-25 05:16:53 UTC |
Referencje
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21509 (secure@microsoft.com) [Vendor Advisory]
- https://www.vicarius.io/vsociety/posts/cve-2026-21509-detection-script-microsoft-office-security-feature-bypass-vulnerability (af854a3a-2127-422b-91ae-364da2661108) [Third Party Advisory]
- https://www.vicarius.io/vsociety/posts/cve-2026-21509-mitigation-script-microsoft-office-security-feature-bypass-vulnerability (af854a3a-2127-422b-91ae-364da2661108) [Mitigation, Third Party Advisory]
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21509 (134c704f-9b21-4f2e-91b3-4a467353bcc0) [US Government Resource]