CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-75650 Adobe Commerce and Magento Improper Neutralization of Special Elements Used in a Template Engine Vulnerability CVE-2026-81963 Microsoft Windows Link Following Vulnerability CVE-2026-85880 Microsoft Windows Heap-Based Buffer Overflow Vulnerability CVE-2026-86218 N-able N-central Static Code Injection Vulnerability These types of vulnerabilities…
Microsoft 11. srpna 2026 vydal opravu zranitelnosti CVE-2026-62911 (CVSS 8,0), přesto téměř 22 000 veřejně dostupných Exchange serverů zůstává zranitelných. V Česku Shadowserver eviduje přibližně 300 unikátních IP adres Exchange serverů, které vyhodnocuje jako zranitelné (na jednu či více zranitelností). Zranitelnost postihuje Exchange Server 2016, 2019 a Subscription Edition a může vést až k převzetí uživatelských e-mailových schránek. Exploit je již veřejně dostupný. Verze 2016 a 2019 jsou…
Americká CISA upozornila na aktivní zneužívání zranitelnosti CVE-2026-33824 (CVSS 9,8) ve Windows Internet Key Exchange (IKE). Ke zneužití této zranitelnosti stačí na neaktualizovaný počítač se systémem Windows odeslat speciálně upravené síťové pakety přes UDP porty 500 nebo 4 500. Zranitelnost se týká podporovaných verzí Windows 10, Windows 11 a Windows Serveru. Microsoft opravu vydal již v dubnu, takže je nezbytné neprodleně aktualizovat. Pokud to z nějakého důvodu není možné, doporučuje se…
CISA has added six new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2015-3246 Red Hat Libuser Race Condition Vulnerability CVE-2015-5287 Red Hat Automatic Bug Reporting Tool Privilege Escalation Vulnerability CVE-2019-1068 Microsoft SQL Server Remote Code Execution Vulnerability CVE-2021-23758 Ajax.NET Professional Deserialization of Untrusted Data Vulnerability CVE-2022-0995 Linux Kernel Out-of-Bounds Write Vulnerability…
Classification: Critical, Solution: Official Fix, Exploit Maturity: Unproven, CVSSv3.1: 10.0, CVEs: CVE-2026-69836, Summary: Deserialization of untrusted data in Microsoft Entra ID allows an unauthorized attacker to execute code over a network. This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.
Welcome to this week’s edition of the Threat Source newsletter. Hello friend. I’m Mick. This is my first Threat Source newsletter, so I should probably introduce myself before I start telling you all the things I think you should be paying attention to. With assistance from an unnamed LLM, my bio reads like this: Mick Baccio is a globally recognized security strategist with a career spanning offensive operations, threat intelligence, and national-level incident response. He currently advises…
Written by: Gabby Roncone, Wesley Shields Overview Google Threat Intelligence Group (GTIG) is tracking three distinct suspected Russian cyber espionage threat clusters abusing legitimate authentication flows to target individuals working in academia, aerospace and defense, governments and think tanks across Europe, as well as academia and think tanks within the United States. Examples of these techniques can be found in our previous blog on UNC6293’s phishing operations. We now track an…
You can’t patch everything. So what do you fix first? Findings in Q2 2026 have changed traditional answers.The latest Quarterly Threat Landscape Report from Rapid7 Labs shows vulnerability disclosures still surging while attackers use automation and AI-assisted tooling to compress the time between disclosure and exploitation. The gap that patch cycles were built to fill is closing. Speed and volume are overwhelming security teams that have relied on traditional patch cycles and reactive…
CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-33824 Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability CVE-2026-55040 Microsoft SharePoint Weak Authentication Vulnerability CVE-2026-59310 Broadcom VMware vCenter Path Traversal Vulnerability CVE-2026-65400 Apple macOS Improper Authentication Vulnerability These types of vulnerabilities are a frequent attack vector…
For the latest discoveries in cyber research for the week of 17th August, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Colombia’s Ministry of Justice has experienced a ransomware attack that affected part of its technology infrastructure and disrupted public services related to illicit-drug monitoring and legal processes. Officials confirmed that some files were encrypted but stated that no data theft was detected during the incident. MyDr, Poland’s primary…
A Nemzetbiztonsági Szakszolgálat Nemzeti Kiberbiztonsági Intézet riasztást ad ki a Windows kernelt érintő, észak-koreai kötődésű Lazarus csoport által végrehajtott célzott kampánnyal kapcsolatban, amelyben trójai PDF nézők, fejlett in‑memory moduláris kártevők és több zero‑day/exploittal támogatott támadási lánc kerül alkalmazásra. A kampány részeként a támadók a Microsoft Windows AFD.sys illesztőprogram egy korábban nem publikált (0-day) use‑after‑free típusú […]
Microsoft’s August 2026 Patch Tuesday addresses 421 Microsoft vulnerabilities, including 62 rated Critical. One Windows vulnerability has been exploited in the wild by the Lazarus group to gain SYSTEM privileges. The August update is smaller than July’s record-breaking release, but it’s still among Microsoft’s largest Patch Tuesday batches. More importantly, it includes several flaws likely to attract attacker interest: a publicly disclosed Windows privilege escalation flaw with a proof-of…
De multiples vulnérabilités ont été découvertes dans Microsoft Azure. Elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et un contournement de la politique de sécurité.
OverviewRapid7 Labs conducted a zero-day research project against Microsoft SharePoint, resulting in the discovery of two new vulnerabilities that, when chained together, achieve unauthenticated remote code execution (RCE) against a vulnerable SharePoint server. Today, both Rapid7 and Microsoft are disclosing the second vulnerability in this chain, the RCE vulnerability CVE-2026-63520. The first vulnerability in the chain, CVE-2026-55040, was disclosed by Rapid7 and Microsoft last month.Our…
CISA has added three new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) Heap Inspection Vulnerability CVE-2026-68820 Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability CVE-2026-72898 Metabase SQL Injection Vulnerability These types of vulnerabilities are a frequent attack vector for malicious…
Missing authentication for critical function in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over a network.
In this article The CaptiveCrunch campaignStorm-2945 and Midnight BlizzardCaptiveCrunch tradecraft and toolingHow to protect against CaptiveCrunch activityMicrosoft Defender detections and hunting guidanceIndicators of compromise Since early May 2026, Microsoft Threat Intelligence has observed Storm-2945, a sub-cluster of Midnight Blizzard, conducting widespread but targeted traffic manipulation attacks involving hospitality sector networks served by captive portals worldwide. Despite some…
For the latest discoveries in cyber research for the week of 27th July, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Nichirei, a Japan-based frozen-food supplier and logistics company, has experienced a ransomware attack that disrupted shipping operations and affected approximately 5,000 customers. KFC Japan warned of possible shortages. Nichirei confirmed personal data theft, while the RansomHouse group claimed responsibility and published a subset of the stolen…
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-50311.
Written by: Shebin Mathew Introduction The "Golden SAML" technique, first described by CyberArk researchers in 2017, and further detailed by Mandiant researchers in 2021, remains one of the most effective methods for threat actors to forge identity assertions in the Microsoft ecosystem. By obtaining the private key of an ADFS token-signing certificate, an attacker can authenticate as any user to any SAML-federated application, bypassing multifactor authentication (MFA), conditional access, and…
On 12 May 2026, Microsoft published a security advisory addressing a critical vulnerability affecting Windows Server when acting as a domain controller. This vulnerability allows an unauthenticated attacker to execute arbitrary code over a network. According to The Centre for Cybersecurity Belgium (CCB), this vulnerability is currently exploited by threat actors. It is strongly recommended updating affected Windows servers as soon as possible.
Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
A China-aligned threat group is exploiting unpatched Microsoft Exchange vulnerabilities to conduct cyberespionage against government and critical infrastructure targets across Asia and beyond.
Railway PaaS is being weaponized as a clean token replay engine in an active AiTM and device code phishing campaign impacting 268+ M365 organizations and 100+ MSPs.