[UPDATED] On 14 July 2026, Microsoft released security updates addressing critical remote code execution (RCE) vulnerabilities in Microsoft SharePoint Server. On 20 July 2026, WatchTowr identified a proof-of-concept exploit code and subsequently observed active exploitation of CVE-2026-50522, a vulnerability part of an ongoing series of actively exploited flaws affecting on-premise SharePoint Server instances, including CVE-2026-32201, CVE-2026-45659, CVE-2026-56164, and CVE-2026-58644. CERT-EU…
Le 14 juillet 2026, à l'occasion de sa mise à jour mensuelle, Microsoft a publié, entre autres, des correctifs pour deux vulnérabilités critiques affectant SharePoint. Les vulnérabilités CVE-2026-50522 et CVE-2026-58644 permettent à un attaquant non authentifié d'exécuter du code arbitraire à...
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. 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 7.0. The following CVEs are assigned: CVE-2026-50325.
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. 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 7.0. The following CVEs are assigned: CVE-2026-50297.
For the latest discoveries in cyber research for the week of 20th July, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Ernst & Young, a global accounting and professional services company, has disclosed a data breach involving a compromised third-party IT support platform. The exposed support tickets may have contained client documents, tax information, employee details, and other sensitive information submitted while requesting technical assistance. Jscrambler, a…
Group-IB uncovers HOLLOWGRAPH, a Windows malware that abuses Microsoft Graph API to exfiltrate files and receive commands from the attacker using Microsoft 365 calendar events, and DNS tunneling to refresh credentials used in C2 communication.
Microsoft VSS remains a cornerstone of Windows data protection, but its architectural limits matter. Learn when to rely on it and when to go beyond it.
Welcome to this week’s edition of the Threat Source newsletter. We all knew, to some degree or another, that this summer was going to a hot mess. I don’t mean FIFA drama or record setting heat waves. I mean the slow but steady momentum that AI frontier models were accruing for vulnerability research. If you were like me, and guesstimating exactly when that shoe would drop, my money was on the middle of summer. And... well, friends, I hate to say it, but I was right. This July’s Patch Tuesday is…
A Nemzetbiztonsági Szakszolgálat Nemzeti Kiberbiztonsági Intézet riasztást ad ki a Microsoft szoftvereket érintő kritikus kockázati besorolású sérülékenységek kapcsán azok súlyossága, a szoftverek széleskörű elterjedtsége, valamint az egyes biztonsági hibákat érintő aktív kihasználások miatt. A Microsoft tárgyhavi biztonsági csomagjában összesen 622 különböző biztonsági hibát javított, köztük 3 db nulladik napi (zero-day) sebezhetőséget is amelyet a Microsoft […]
Flera leverantörer har släppt sina månatliga säkerhetsuppdateringar för juli. Nedan finns en sammanställning av de säkerhetsuppdateringar som Cisco, Microsoft, SAP, Ivanti, Fortinet och Adobe har publicerat inför och i samband med patchtisdagen. Följ länkarna för att komma till respektive leverantörs uppdateringar. [1, 2, 3, 4, 5, 6]
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft PowerShell. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-40400.
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. 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 7.0. The following CVEs are assigned: CVE-2026-49805.
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Hyper-V. An attacker must first obtain the ability to execute low-privileged code within a Windows virtual machine under Hyper-V in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-54129.
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.
This vulnerability allows remote attackers to execute web requests with a target user's privileges on affected installations of Microsoft SharePoint. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.3. The following CVEs are assigned: CVE-2026-55126.
Well folks. Here we are. The bug apocalypse has fully descended upon us. I’ll do my best to sort this out in some way meaningful, but this month’s release shows us the nay-sayers were right, and I’ve got to hand it to the nay-sayers here. Excellent call. Take an extended break from your regularly scheduled activities as we let’s take a look at the latest security patches from Adobe and Microsoft. If you’d rather watch the full video recap covering the entire release, you can check it out here:…
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.