# CVE-2021-1782: Apple Multiple Products Race Condition Vulnerability

Source: https://junglewise.ai/threats/cve-2021-1782-apple-multiple-products-race-condition-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2021-1782 · Severity: critical · CVSS 7 · Exploited in the wild · Published 2021-11-03

A race condition in Apple operating systems was addressed with improved locking. A malicious application may exploit this vulnerability to elevate privileges. Apple has acknowledged reports that this issue may have been actively exploited in the wild.

Technologies: [Apple Multiple Products](https://junglewise.ai/threats/technologies/multiple-products). Vendors: [Apple](https://junglewise.ai/threats/vendors/apple).

## Quick answers

**Is CVE-2021-1782 exploited in the wild?** Yes. CVE-2021-1782 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2021-1782?** Critical severity, with a CVSS score of 7, published 3 November 2021.

**Which products and versions are affected?** Apple iOS before 14.4; Apple iPadOS before 14.4; Apple macOS Big Sur before 11.2; Apple macOS Catalina before Security Update 2021-001; and 3 more.

**Is there a fix for CVE-2021-1782?** A patch was published on 2021-01-26: Apple released updates for iOS, iPadOS, macOS, watchOS, and tvOS. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2021-1782 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2021-1782?** Check whether you run Apple Multiple Products. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Apple iOS before 14.4
- Apple iPadOS before 14.4
- Apple macOS Big Sur before 11.2
- Apple macOS Catalina before Security Update 2021-001
- Apple macOS Mojave before Security Update 2021-001
- Apple watchOS before 7.3
- Apple tvOS before 14.4

## Timeline

- 2021-01-26: patched: Apple released updates for iOS, iPadOS, macOS, watchOS, and tvOS.
- 2021-04-02: disclosed: NVD Published Date.
- 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
- 2021-11-03: exploited: CISA confirmed active exploitation.

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