Curated Cyber Threat Intelligence

Threat Feed

Daily intelligence on vulnerabilities, threat actors and geopolitical context — distilled from primary sources.

scheduleUpdated 2026-07-20 · 02:03 UTC
articleTotal: 593 reports

Filtered Reports

30 / 38 results
Active filter:tag: #zero-day✕ clear
Windows zero-day LegacyHive enables privilege escalation on patched systemscriticalbug_reportVulnerability
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Windows zero-day LegacyHive enables privilege escalation on patched systems

All up-to-date Windows systems. Specific affected versions not disclosed. Exploit enables local privilege escalation from standard user to administrator level. No CVE assigned yet.

Microsoft09:05 UTC
Armenia Detains Russian National on U.S. REvil Ransomware Warranthighperson_alertThreat Actor
person_alertThreat Actor

Armenia Detains Russian National on U.S. REvil Ransomware Warrant

REvil (also known as Sodinokibi) is a Russia-linked ransomware-as-a-service (RaaS) operation that emerged in 2019 and became one of the most prolific cybercrime groups before law enforcement disruption in 2021-2022.

The Hacker News08:53 UTC
Siemens ROX II OT switches vulnerable to chained zero-day privilege escalationcriticalbug_reportVulnerability
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Siemens ROX II OT switches vulnerable to chained zero-day privilege escalation

Siemens ROX II industrial switches used in operational technology (OT) environments. Specific affected firmware versions not disclosed in summary. Vulnerability chain enables privilege escalation to persistent root access.

Siemens08:00 UTC
ShinyHunters Exploits Oracle PeopleSoft Zero-Day in Nissan Breachhighperson_alertThreat Actor
person_alertThreat Actor

ShinyHunters Exploits Oracle PeopleSoft Zero-Day in Nissan Breach

ShinyHunters is a financially motivated cybercrime group known for large-scale data theft and extortion operations. The group has established a pattern of exploiting vulnerabilities in enterprise applications to exfiltrate sensitive data, which is th…

Oracle18:40 UTC
ShinyHunters Exploits Oracle PeopleSoft Zero-Day at NAIChighperson_alertThreat Actor
person_alertThreat Actor

ShinyHunters Exploits Oracle PeopleSoft Zero-Day at NAIC

ShinyHunters is a financially motivated cybercrime group known for large-scale data theft and extortion operations. The group has historically targeted organizations to exfiltrate sensitive data, which is then leveraged for extortion or sold on under…

Oracle18:30 UTC
U.S. offers $10M reward for intel on UNC5792 and UNC4221 APT groupshighperson_alertThreat Actor
person_alertThreat Actor

U.S. offers $10M reward for intel on UNC5792 and UNC4221 APT groups

UNC5792 and UNC4221 are threat actor groups attributed to Russian intelligence and military services. Both groups have been designated as high-priority targets by the U.S.

BleepingComputer13:09 UTC
Cisco Catalyst SD-WAN zero-day exploited in wild for two monthshighbug_reportVulnerability
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Cisco Catalyst SD-WAN zero-day exploited in wild for two months

Cisco Catalyst SD-WAN Manager. Specific affected versions not disclosed. Requires authenticated local access for exploitation.

CVE-2026-2024503:46 UTC
Cisco Catalyst SD-WAN zero-day exploited for root access (CVE-2026-20245)criticalbug_reportVulnerability
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Cisco Catalyst SD-WAN zero-day exploited for root access (CVE-2026-20245)

Cisco Catalyst SD-WAN devices. Specific affected versions not disclosed in available information. Attackers gain root-level access and can create persistent rogue accounts.

CVE-2026-2024519:29 UTC
Russian-speaking actors compromise 86,644 FortiGate devices via FortiBleedhighperson_alertThreat Actor
person_alertThreat Actor

Russian-speaking actors compromise 86,644 FortiGate devices via FortiBleed

Russian-speaking threat actors are conducting the FortiBleed campaign, targeting internet-accessible FortiGate appliances at scale. The actors' specific motivation remains unclear from available data, though the mass compromise of 86,644 devices sugg…

Fortinet12:00 UTC
NCSC warns of active global campaign targeting Fortinet firewalls and VPNshighbug_reportVulnerability
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NCSC warns of active global campaign targeting Fortinet firewalls and VPNs

Fortinet firewalls and VPN gateways globally. Specific product lines and versions not disclosed in alert. Organizations using FortiGate, FortiOS, or FortiClient VPN services should assume potential exposure.

Fortinet10:00 UTC
Microsoft Defender zero-day CVE-2026-50656 enables privilege escalationhighbug_reportVulnerability
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Microsoft Defender zero-day CVE-2026-50656 enables privilege escalation

Microsoft Defender Malware Protection Engine across all Windows versions. Specific affected engine versions not disclosed. Impacts enterprise and consumer deployments relying on Microsoft Defender for endpoint protection.

CVE-2026-5065615:36 UTC
Microsoft Defender zero-day "RoguePlanet" awaits patch after disclosurehighbug_reportVulnerability
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Microsoft Defender zero-day "RoguePlanet" awaits patch after disclosure

Microsoft Defender (all versions currently deployed). Specific affected versions not disclosed. Impacts organizations relying on Defender for endpoint protection.

Microsoft06:32 UTC
Cisco Catalyst SD-WAN Manager root privilege escalation under attackcriticalbug_reportVulnerability
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Cisco Catalyst SD-WAN Manager root privilege escalation under attack

Cisco Catalyst SD-WAN Manager (specific versions not provided). Vulnerability allows privilege escalation to root level on affected systems.

CVE-2026-2026215:12 UTC
ShinyHunters Breaches 137K+ School Staff via Salesforce Attackhighperson_alertThreat Actor
person_alertThreat Actor

ShinyHunters Breaches 137K+ School Staff via Salesforce Attack

ShinyHunters is a financially motivated cybercrime actor specializing in large-scale data theft and extortion operations. The group has established a reputation for targeting cloud-based platforms and third-party service providers to compromise downs…

Salesforce10:38 UTC
Oracle PeopleSoft zero-day CVE-2026-35273 exploited by ShinyHunterscriticalbug_reportVulnerability
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Oracle PeopleSoft zero-day CVE-2026-35273 exploited by ShinyHunters

Oracle PeopleSoft (all versions prior to June 10 patch). Confirmed exploitation targeting enterprise systems and universities. Vulnerability was unpatched during active exploitation window (May 27 - June 9).

CVE-2026-3527318:29 UTC
Oracle PeopleSoft zero-day CVE-2026-35273 exploited for RCE by ShinyHuntercriticalbug_reportVulnerability
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Oracle PeopleSoft zero-day CVE-2026-35273 exploited for RCE by ShinyHunter

Oracle PeopleSoft Suite, all versions (specific affected versions not disclosed). Unauthenticated remote code execution vulnerability affecting internet-facing PeopleSoft instances.

CVE-2026-3527317:39 UTC
Microsoft patches actively exploited XSS zero-day in Exchange Server OWAhighbug_reportVulnerability
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Microsoft patches actively exploited XSS zero-day in Exchange Server OWA

Microsoft Exchange Server (all versions with Outlook Web Access enabled). Specific patched versions not provided. Affects organizations exposing OWA to users.

Microsoft11:44 UTC
Microsoft patches 3 zero-days: YellowKey, GreenPlasma, MiniPlasmacriticalbug_reportVulnerability
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Microsoft patches 3 zero-days: YellowKey, GreenPlasma, MiniPlasma

All fully patched Windows systems prior to latest patch release. YellowKey and GreenPlasma enable SYSTEM privilege escalation; MiniPlasma bypasses BitLocker encryption on protected drives.

Microsoft07:57 UTC
Microsoft patches 206 vulnerabilities including 3 zero-days, 39 criticalcriticalbug_reportVulnerability
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Microsoft patches 206 vulnerabilities including 3 zero-days, 39 critical

Microsoft software portfolio: 206 vulnerabilities patched including 56 remote code execution (RCE) flaws, 63 privilege escalation issues, 39 critical-severity vulnerabilities, and 3 actively exploited zero-day flaws.

Microsoft07:38 UTC
ServiceNow patches actively exploited auth bypass on hosted instanceshighbug_reportVulnerability
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ServiceNow patches actively exploited auth bypass on hosted instances

ServiceNow hosted customer instances (specific versions not disclosed). On-premise deployments may also be affected pending vendor guidance.

ServiceNow05:02 UTC
Microsoft Defender zero-day "RoguePlanet" exploited for SYSTEM accesscriticalbug_reportVulnerability
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Microsoft Defender zero-day "RoguePlanet" exploited for SYSTEM access

Microsoft Defender on all updated Windows systems. No CVE assigned yet. Vulnerability is a race condition enabling local privilege escalation to SYSTEM.

Microsoft03:22 UTC
Microsoft Defender zero-day 'RoguePlanet' enables SYSTEM privilege escalationcriticalbug_reportVulnerability
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Microsoft Defender zero-day 'RoguePlanet' enables SYSTEM privilege escalation

Microsoft Defender on Windows systems. Specific affected versions not disclosed. Given Defender's deployment, scope includes enterprise endpoints, servers running Defender, and consumer Windows installations with default security configuration.

Microsoft21:11 UTC
Microsoft June 2026 Patch Tuesday: 200 flaws, 3 disclosed zero-dayshighbug_reportVulnerability
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Microsoft June 2026 Patch Tuesday: 200 flaws, 3 disclosed zero-days

Microsoft products across the ecosystem. 200 vulnerabilities patched, including 3 publicly disclosed zero-day vulnerabilities. Specific affected products and CVE identifiers not yet detailed in available information.

Microsoft15:57 UTC
WinRAR CVE-2025-8088 path traversal exploited by Russian APTs vs Ukrainehighbug_reportVulnerability
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WinRAR CVE-2025-8088 path traversal exploited by Russian APTs vs Ukraine

WinRAR versions prior to patched release (approximately one year old). Primary targets: Ukrainian organizations. Threat actors: Earth Dahu (Gamaredon) and SHADOW-EARTH-066 (UAC-0226), Russia-aligned APT groups.

CVE-2025-808810:26 UTC
Chrome V8 zero-day CVE-2026-11645 exploited in wild, patch immediatelycriticalbug_reportVulnerability
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Chrome V8 zero-day CVE-2026-11645 exploited in wild, patch immediately

Google Chrome versions prior to 149.0.7827.103 on all platforms. The vulnerability resides in the V8 JavaScript engine, affecting out-of-bounds memory access.

CVE-2026-1164509:58 UTC
Meta blocks NSO Group spear-phishing targeting WhatsApp usershighperson_alertThreat Actor
person_alertThreat Actor

Meta blocks NSO Group spear-phishing targeting WhatsApp users

NSO Group is an Israeli commercial surveillance vendor that develops and sells offensive cyber capabilities, primarily the Pegasus spyware platform, to government clients.

Meta15:08 UTC
Gogs patches critical RCE zero-day affecting Internet-facing instancescriticalbug_reportVulnerability
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Gogs patches critical RCE zero-day affecting Internet-facing instances

Gogs Git service, Internet-facing instances (specific vulnerable versions not disclosed). All repositories including private repos accessible post-exploitation.

Gogs14:18 UTC
Check Point patches zero-day in VPN/Mobile Access exploited by Qilincriticalbug_reportVulnerability
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Check Point patches zero-day in VPN/Mobile Access exploited by Qilin

Check Point Remote Access VPN and Mobile Access deployments. Specific product versions not disclosed in summary; refer to vendor advisory for affected releases and patched versions.

Check Point11:05 UTC
AI finds 21 zero-days in FFmpeg; Chrome 149 patches 429 bugshighbug_reportVulnerability
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AI finds 21 zero-days in FFmpeg; Chrome 149 patches 429 bugs

FFmpeg media library (all versions prior to upcoming patch release); Google Chrome versions prior to 149 (all platforms). FFmpeg is embedded in countless applications, browsers, media players, and server-side processing pipelines.

FFmpeg05:28 UTC
Cisco SD-WAN Manager zero-day CVE-2026-20245 exploited for root accesscriticalbug_reportVulnerability
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Cisco SD-WAN Manager zero-day CVE-2026-20245 exploited for root access

Cisco Catalyst SD-WAN Manager, all versions (specific affected versions not disclosed). Unpatched zero-day vulnerability enabling root privilege escalation.

CVE-2026-2024504:24 UTC