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WhatsApp patches vulnerability exploited in zero-day attacks

ID: d2307d94-13d4-5e61-a98a-59f1f1b8729e

STIX ID: report--d2307d94-13d4-5e61-a98a-59f1f1b8729e

Feed Name: Bleeping Computer

Threat Score
90/100

Date Published: 2025-08-29

Date Updated: 2026-07-18

Author: Sergiu Gatlan

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WhatsApp patched a zero-click vulnerability (CVE-2025-55177) in iOS and macOS clients that was exploited in targeted attacks, reportedly in combination with an Apple OS zero-day (CVE-2025-43300). The company alerted potentially affected users, recommended factory resets, and linked the activity to sophisticated spyware campaigns (similar to prior Paragon/Graphite exploitation).

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