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WhatsApp Patches Zero-Day, Zero

Infosecurity Magazineby Phil Muncaster ()2 min read1 · 1 read
Analyze CVE-2025-55177 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-43300
Actively Exploited Out-of-Bounds Write in Apple iOS/iPadOS/macOS Image I/O
10.065%KEVPoC
KEV
CVE-2025-55177
Incorrect Authorization in WhatsApp Linked-Device Sync Used in Targeted Spyware Attacks
5.414%KEV
KEV

From the original article

2 min read at infosecurity-magazine.com

WhatsApp has patched a critical zero-day vulnerability it believes was exploited in a sophisticated attack. The messaging giant revealed in a security advisory late last week that CVE-2025-55177 relates to “incomplete authorization of linked device synchronization messages.” The firm added: “It could have allowed an unrelated user to trigger processing of content from an arbitrary URL on a target’s device.

Infosecurity Magazine

By Phil Muncaster · infosecurity-magazine.com

Read the full article at Infosecurity Magazine

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.