Threat Feed
Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.
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criticalbug_reportVulnerabilityeMudhra CA issued 8 certificates with instantly crackable private keys
eMudhra intermediate certificates issued April 2025 using P-384 keys with values <256. Affects systems using Mozilla NSS, Go (pre-1.27.3/1.26.10), Python certifi, Rust webpki, Electron, and other software with embedded certificate stores.
highperson_alertThreat ActorNSO Group's Pegasus Deployed Against Serbian University Rector via Zero-Click
NSO Group is an Israeli commercial surveillance vendor that develops and sells Pegasus spyware exclusively to government clients and state agencies. The company provides mercenary spyware capabilities that enable full device compromise, including acc…
highbug_reportVulnerabilityFake Web3 accelerator spreads malware via npm to steal credentials
npm packages @apexacc/cli and @apexacc/audit (now removed); targets Windows and macOS developer systems. Campaign linked to Apex Accelerator/Apex Foundation (apexaccs[.]org, apexfdn[.]xyz).
highbug_reportVulnerabilityApple CoreGraphics CVE-2026-86950 PoC published; in-the-wild use reported
Apple CoreGraphics on iOS versions before iOS 27 and macOS Golden Gate 27. Vulnerability triggered via malicious PDF with crafted embedded TrueType font.
highbug_reportVulnerabilityApple patches CoreGraphics out-of-bounds write exploited in targeted attacks
CVE-2026-86950 affects CoreGraphics in iOS versions before 26.7.1, iPadOS before 26.7.1, macOS Tahoe before 26.7.1, and macOS Sequoia before 15.8.1. Impacted devices include iPhone 11 and later, iPad Pro (3rd gen 12.9-inch and 1st gen 11-inch and lat…
highbug_reportVulnerabilityMacSync malware variant abuses iCloud calendar for C2 on macOS
macOS systems. All versions potentially affected. Threat actors leverage public iCloud calendar events as command-and-control infrastructure to deliver native payloads.
highperson_alertThreat ActorNSO Group Pegasus spyware targets Serbian student protesters via iMessage
NSO Group is an Israeli cyber intelligence company that develops and sells Pegasus, a sophisticated mobile surveillance platform marketed exclusively to government clients for lawful interception.
highperson_alertThreat ActorAnonyMousKIT PhaaS automates iPhone passcode theft via voice AI
AnonyMousKIT is a phishing-as-a-service (PhaaS) platform active since early 2024, operated by unknown threat actors who provide automated infrastructure for stealing iPhone passcodes and disabling Apple's Activation Lock.
criticalbug_reportVulnerabilityCISA flags 4 critical flaws in macOS, SharePoint, vCenter, IKE under attack
Apple macOS (CVE-2026-65400, Screen Sharing authentication bypass), Microsoft SharePoint (CVE-2026-55040, weak authentication), Broadcom VMware vCenter (CVE-2026-59310, path traversal RCE), Microsoft IKE Service Extensions (CVE-2026-33824, double fre…
highbug_reportVulnerabilitymacOS Screen Sharing auth bypass exploited to deploy Monero miners
macOS Screen Sharing feature on systems with TCP port 5900 exposed to the internet. Fixed in macOS Tahoe 26.6.1, Sequoia 15.7.9, and Sonoma 14.8.9. CVE-2026-65400 affects earlier versions of these releases.
highbug_reportVulnerabilityClickFix attacks deliver macOS stealer targeting crypto wallets and Keychain
macOS systems (all CPU architectures). Users tricked into pasting malicious commands into Terminal. Targets cryptocurrency wallets (Bitcoin, Litecoin, Dogecoin, Monero, Ethereum, XRP), browser passwords, Apple iCloud Keychain, and cached credentials.
highbug_reportVulnerabilityApple iCloud Private Relay leaks real IP via WebKit proxy bypasses
Apple iCloud Private Relay on iOS 15+, macOS, and iPadOS. Affects Safari and all WebKit-based browsers (Chrome, Edge, Firefox, Brave) on Apple platforms. Impacts users with iCloud+ subscriptions using Private Relay for privacy protection.
highperson_alertThreat ActorClickFix Campaign Uses Browser Fingerprinting to Target macOS Users
ClickFix is a macOS-focused social engineering campaign tracked by Microsoft Threat Intelligence. The operators remain unidentified, but the campaign demonstrates sophisticated evasion capabilities through server-side browser fingerprinting across mo…
highbug_reportVulnerabilitymacOS ClickFix campaign adds fingerprinting to evade detection
macOS users targeted via 250+ algorithmically generated domains (e.g., filecopperbasket, apricotfilepoint[.]com). Campaign delivers MacSync and Atomic Stealer (AMOS) infostealers. All macOS versions susceptible to social engineering technique.
highbug_reportVulnerabilityXCSSET v40 malware targets macOS developers via poisoned Xcode projects
macOS developers using Xcode and downloading projects from compromised Git/GitHub repositories. XCSSET v40 observed in attacks mid-April and early May 2026. All macOS versions with Xcode are at risk; specific version details not provided.
highperson_alertThreat ActorDOUBLECUP loader-as-a-service delivers malware via ClickFix attacks
DOUBLECUP is a Russian loader-as-a-service platform that has operated since early June 2026. The service provides customers with licenses and a Go-based Windows tool for creating malicious ClickFix campaigns.
highperson_alertThreat ActorChinese-Speaking Actor Deploys GHOSTBLADE via Leaked DarkSword iOS Kit
An unidentified Chinese-speaking threat actor conducting mobile exploitation campaigns against iOS devices. The actor operates extensive infrastructure spanning over 100 web properties concentrated in Hong Kong with reach into Japan, the United State…
highperson_alertThreat ActorLazarus Deploys Crypto-Stealing Malware via macOS Malvertising Campaign
Lazarus is a North Korea-linked APT group with a sustained focus on financial gain, particularly targeting cryptocurrency assets. Operating under DPRK state sponsorship, the group has evolved its tactics to include sophisticated social engineering ca…
highperson_alertThreat ActorFraudulent Sparrow Wallet App on Apple App Store Steals $1.8M in Bitcoin
The threat actor behind this campaign remains unidentified. The operation involved publishing fraudulent cryptocurrency wallet applications on Apple's App Store that impersonated the legitimate Sparrow Wallet.
highbug_reportVulnerabilityApple fixes Hide My Email flaw exposing real addresses in mail logs
Apple Hide My Email service (all users prior to July 3, 2026 patch). The vulnerability affected the privacy relay feature that masks user email addresses, causing real email addresses to leak in mail server logs.
highperson_alertThreat ActorPamStealer: macOS Info Stealer Masquerades as Maccy Clipboard Manager
PamStealer is a newly discovered macOS information stealer malware family identified by Jamf Threat Labs. The malware is distributed through social engineering, masquerading as a legitimate Maccy clipboard manager application to deceive users into in…
highbug_reportVulnerabilityAirDrop and Quick Share flaws enable wireless DoS and security bypass
Apple AirDrop and Google Quick Share wireless file transfer features on iOS, macOS, and Android devices. Specific affected versions not disclosed. Attack requires physical proximity (wireless range).
highperson_alertThreat ActorClickFix Targets macOS with Terminal-Based Infostealer Campaign
ClickFix is a threat actor conducting social engineering campaigns that trick users into executing malicious commands. The actor leverages deceptive techniques to convince victims to manually run Terminal commands on macOS systems, facilitating the d…
criticalbug_reportVulnerabilityUnpatchable SecureROM exploit for Apple A12/A13 chips published
Apple devices with A12 and A13 chips (iPhone XS/XR/11 series, iPad Air 3rd gen, iPad mini 5th gen, iPad 8th gen). SecureROM vulnerability is permanent and cannot be patched via software updates.
highbug_reportVulnerabilityApple Beats Studio Buds Bluetooth flaw allows unauthorized pairing
Apple Beats Studio Buds using Airoha Bluetooth audio SDK. Vulnerability affects devices prior to firmware update released by Apple. Attackers must be within Bluetooth range (typically <10 meters).
highbug_reportVulnerabilityApple patches Bluetooth eavesdropping flaw in Beats Studio Buds
Apple Beats Studio Buds wireless earbuds. Specific firmware versions not disclosed. Vulnerability requires attacker to be within Bluetooth range (typically 10-30 meters).