Latest Security News

Aggregated from vendors, research teams & government advisories

Updated: 21 July 2026, 21:00 BST
CS

CISA Alerts & Advisories

UK

NCSC (UK)

NV

Notable CVEs (NVD)

SW

SonicWall

FT

Fortinet

ES

ESET / WeLiveSecurity

Forgotten UEFI shims undermining Secure Boot

ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI Secure Boot by exploiting decade-old vulnerabilities

welivesecurity.com
ESET Threat Report H1 2026

A view of the H1 2026 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research experts.

welivesecurity.com
ZS

Zscaler / ThreatLabz

HN

The Hacker News

AWS Kiro Flaw Let a Poisoned Web Page Rewrite Its Config and Run Code

Hidden text on a web page was enough to make Kiro, AWS's agentic coding IDE, rewrite its own configuration file and run an attacker's code on a developer's machine, with no approval step able to stop it. Intezer, in research with Kodem Security, found that a request as ordina...

thehackernews.com
Critical SharePoint RCE CVE-2026-50522 Under Active Exploitation After Public PoC

A third SharePoint Server flaw patched by Microsoft as part of its Patch Tuesday update for July 2026 has come under active exploitation, per watchTowr. The vulnerability in question is CVE-2026-50522 (CVSS score: 9.8), a critical deserialization of untrusted data in Microsof...

thehackernews.com
Zimbra Patches Critical SNMP Command Injection and Four XSS Vulnerabilities

Zimbra has rolled out fixes to address multiple critical security issues, including a command injection flaw in the Simple Network Management Protocol (SNMP) monitoring component. As many as nine security vulnerabilities have been patched in Zimbra 10.1.20. Topping the list i...

thehackernews.com
BC

BleepingComputer

Critical wp2shell WordPress flaws exploited to install webshells

Hackers are exploiting the "wp2shell" critical vulnerability suite (CVE-2026-63030 and CVE-2026-60137) affecting WordPress Core to deploy persistent webshells and install malicious plugins on affected servers. [...]

bleepingcomputer.com
Closing the Identity Gaps in Critical Infrastructure Security

Critical infrastructure attacks often begin with stolen credentials, compromised devices, or trusted accounts. Specops Software explains why Zero Trust should verify both user identities and device trust before granting access to critical systems. [...]

bleepingcomputer.com
Microsoft shares manual fix for WSUS sync delays and timeouts

Microsoft has shared manual mitigations to help IT administrators fix Windows Server Update Services (WSUS) servers affected by a known issue that causes Windows Update scans to fail or time out. [...]

bleepingcomputer.com
SW

SecurityWeek

Cisco Launches Low-Cost AI Models for Source Code Security

The open-weight Antares models are designed to pinpoint known vulnerabilities in codebases faster and at a fraction of the cost of larger AI models. The post Cisco Launches Low-Cost AI Models

securityweek.com
Empirical Security Raises $25 Million in Series A Funding

The startup will use the investment to accelerate the development of its threat prediction and discovery products. The post Empirical Security Raises $25 Million in Series A Funding appeare

securityweek.com
DR

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