CVE-2021-42292
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
What it is
ReportedA security feature bypass vulnerability in Microsoft Excel would allow a local user to perform arbitrary code execution. Source description excerpt; complete tracked detail loads below.
NVD published: Nov 10, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
ReportedMicrosoft — Office. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Nov 10, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 461.6
Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Exploitation evidence
Reportedkev-listed · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Active since: Nov 17, 2021 · CISA KEV added: Nov 17, 2021 · VulnCheck KEV added: Nov 9, 2021 · ENISA added: Nov 17, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What to do
ReportedApply updates per vendor instructions.
Source remediation ↗Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Evidence detail
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