CVE-2021-1782
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
What it is
ReportedApple iOS, iPadOs, macOS, watchOS, and tvOS contain a race condition vulnerability that may allow a malicious application to elevate privileges. Source description excerpt; complete tracked detail loads below.
NVD published: Apr 2, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
ReportedApple — Multiple Products. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Apr 2, 2021 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 456.6
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 3, 2021 · CISA KEV added: Nov 3, 2021 · VulnCheck KEV added: Jan 26, 2021 · ENISA added: Nov 3, 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
Loading the full tracker evidence record…