# CVE-2025-31200 — Apple iOS and iPadOS **CISA KEV** > As of 2026-04-02, CVE-2025-31200 is a CRITICAL-severity vulnerability in Apple iOS and iPadOS, CVSS v3.1 9.8, EPSS 18.5% (97.1th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-04-17), with a US federal remediation deadline of 2025-05-08. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-31200, most recently “Serbian Authorities Deploy Pegasus and NoviSpy Spyware Against Journalists, Opposition Politicians, and Student Protesters”. **Last updated:** 2026-04-02 ## What is CVE-2025-31200? A memory corruption issue was addressed with improved bounds checking. This issue is fixed in iOS 18.4.1 and iPadOS 18.4.1, macOS Sequoia 15.4.1, tvOS 18.4.1, visionOS 2.4.1, watchOS 11.5. Processing an audio stream in a maliciously crafted media file may result in code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS released before iOS 18.4.1. The record classifies CVE-2025-31200 under weakness class [CWE-119](https://intel.threadlinqs.com/cwe/CWE-119). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 5 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 537 days ago. ## Severity and exploitation probability - **CVSS v3.1 base score:** 9.8 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`) - **EPSS (FIRST):** 18.5% probability of exploitation in the next 30 days, higher than 97.1% of all scored CVEs - **CISA KEV:** Listed since 2025-04-17, federal remediation deadline 2025-05-08 - **Threadlinqs priority:** 9/10 — CISA KEV-listed, which Threadlinqs floors at 9 - **Published:** 2025-04-16, last modified 2026-04-02 ## Is CVE-2025-31200 being exploited? CISA added CVE-2025-31200 to the Known Exploited Vulnerabilities catalog on 2025-04-17, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2025-05-08 under BOD 22-01. Weaponised exploit code for CVE-2025-31200 is publicly available. 5 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 42 in the Threadlinqs vulnerability feed. - [JGoyd/iOS-Attack-Chain-CVE-2025-31200-CVE-2025-31201](https://github.com/JGoyd/iOS-Attack-Chain-CVE-2025-31200-CVE-2025-31201) (github) - [zhuowei/apple-positional-audio-codec-invalid-header](https://github.com/zhuowei/apple-positional-audio-codec-invalid-header) (github) - [hunters-sec/CVE-2025-31200](https://github.com/hunters-sec/CVE-2025-31200) (github) - [serundengsapi/CVE-2025-31200-iOS-AudioConverter-RCE](https://github.com/serundengsapi/CVE-2025-31200-iOS-AudioConverter-RCE) (github) - [trickest/cve](https://github.com/trickest/cve/blob/main/2025/CVE-2025-31200.md) (trickest) ## Affected products and versions - [Apple](https://intel.threadlinqs.com/vendors/apple): iOS and iPadOS, macOS, tvOS, visionOS, watchOS ## How to fix CVE-2025-31200 Vendor advisory: [https://support.apple.com/en-us/122282](https://support.apple.com/en-us/122282). Because CVE-2025-31200 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-05-08. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory. ## Threat activity tracking CVE-2025-31200 1 tracked threat in the Threadlinqs corpus references CVE-2025-31200, either in the campaign’s CVE list or as an indicator on the campaign record. - [Serbian Authorities Deploy Pegasus and NoviSpy Spyware Against Journalists, Opposition Politicians, and Student Protesters](https://intel.threadlinqs.com/threat/TL-2026-2316) — HIGH · 2026-09-03 ## Sources Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-09-21. This product uses the NVD API but is not endorsed or certified by the NVD. **Other references** - [support.apple.com](https://support.apple.com/en-us/122282) - [support.apple.com (122400)](https://support.apple.com/en-us/122400) - [support.apple.com (122401)](https://support.apple.com/en-us/122401) - [support.apple.com (122402)](https://support.apple.com/en-us/122402) - [support.apple.com (122722)](https://support.apple.com/en-us/122722) Canonical: https://intel.threadlinqs.com/cve/CVE-2025-31200 Full detection coverage and IOCs for threats exploiting CVE-2025-31200 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp