NCSC-2026-0039

csafNLncsc_nl

NLShown in its original language — a full translation is planned for a future version.

ZeroDay kwetsbaarheid verholpen in Microsoft Office

view advisory published 2026-01-27

Microsoft heeft een ZeroDay kwetsbaarheid verholpen in Microsoft Office.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-21509US—OT criticalKEV
Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.
02

references

External citations — patches, advisories, analysis.

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