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Thu, 10 Sept 2026
- Policy and Disclosure: 2025 EditionProject Zero
- From Chrome renderer code exec to kernel with MSG_OOBProject ZeroChrome
- Defeating KASLR by Doing Nothing at AllProject Zero
- A look at an Android ITW DNG exploitProject ZeroAndroid
- Deceptive Android Apps Exploit Google Play Early Access to Evade Reviews
Deceptive apps in Early Access are being used by dishonest developers for their own benefit.
SecurityWeekGoogle, Android - 2026-003: Multiple Vulnerabilities in Citrix NetScaler and Citrix ADC
On 23 March 2026, Citrix published a security advisory addressing multiple vulnerabilities affecting NetScaler ADC and NetScaler Gateway. These vulnerabilities may lead to sensitive information disclosure and user session mix-up under specific configurations. At the time of writing, there is no public evidence of active exploitation. It is strongly recommended updating affected gateways, prioritising internet-facing assets. It is also recommended to preserve evidence for further investigation.
CERT-EUCitrix - 2026-004: Critical Vulnerability in SharePoint Exploited
On 17 March 2026, Microsoft updated one of its January 2026 security advisories related to a remote code execution vulnerability in Microsoft SharePoint. Specifically, Microsoft raised the CVSS score and changed the FAQ section to indicate that the vulnerability could be exploited by an unauthenticated attacker. This vulnerability was added in the CISA's Known Exploited Vulnerabilities (KEV) catalogue on 18 March 2026. Additionally, three further RCE flaws affecting Microsoft SharePoint were addressed in the March 2026 release. CERT-EU strongly recommends updating SharePoint servers as soon as possible, prioritising internet-facing assets. CERT-EU also encourages IT administrators to take necessary remediation actions.
CERT-EUMicrosoft, SharePoint - 2026-005: High Vulnerability in the Linux Kernel ("Copy Fail")
On 29 April 2026, a high local privilege escalation vulnerability in the Linux kernel, tracked as CVE-2026-31431 and named "Copy Fail", was publicly disclosed. The vulnerability affects every mainstream Linux distributions shipping a kernel built since 2017. A public proof-of-concept exploit has been released. As of the date of this advisory, no distribution has shipped a fixed kernel package. The mainline fix was committed on 1 April 2026, but vendor updates are still pending across all major distributions. CERT-EU strongly recommends applying the interim mitigation immediately, prioritising Kubernetes nodes, and CI/CD runners exposed to untrusted workloads.
CriticalUsed in attacksCERT-EULinux, Kubernetes
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