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Attackers could exploit the flaws for remote code execution, credential theft, and administrator account creation.

CISA has added CVE-2026-123218 and CVE-2026-116779 to KEV, urging federal agencies to patch them within three days.

France summoned the Iranian ambassador and said it would seek European sanctions against those responsible for the attack

The high-severity use-after-free in Chrome’s XML component was reported anonymously on November 6 and is already exploited in attacks.

Online fashion retailer Revolve has told regulators that the September cyberattack affected more than 1.5 million individuals.

Threat actors are exploiting the four-flaw chain to hack the Plex Media Server application on QNAP NAS devices.

Hackers compromised an external cloud service used by the shopping platform and may have stolen personal information from it.

Italian Foreign Minister Antonio Tajani said Saturday that his personal data had been disseminated on the dark web.

The initial exploitation attempts are attributed to botnets and crypto miners, but other threat actors are expected to follow suit.

Hackers stole personal, health, and insurance information, including Social Security numbers, from the company’s internal systems.

Frontline Education told Indiana regulators that its August data breach affected over 3 million school district staff and students.

Working with cryptographers, DeepMind’s AI agents cut the cost of forging RSA-1024 signatures and found a cheaper way to factor keys.

Its multi-agent AI platform generates the telemetry an attack would produce to fix gaps in enterprise defenses.

CISA KEV CISA KEV

CISA has added CVE-2026-123218 and CVE-2026-116779 to KEV, urging federal agencies to patch them within three days.

Chrome security Chrome security

The high-severity use-after-free in Chrome’s XML component was reported anonymously on November 6 and is already exploited in attacks.

SSH vulnerability SSH vulnerability

The initial exploitation attempts are attributed to botnets and crypto miners, but other threat actors are expected to follow suit.

Top Cybersecurity Headlines

Working with cryptographers, DeepMind’s AI agents cut the cost of forging RSA-1024 signatures and found a cheaper way to factor keys.

CVE-2026-19868 can let attackers holding credentials for a different login method get past SAML checks, including SAML-enforced MFA.

Rated Critical for cybersecurity, OpenAI’s new model beats GPT-5.6 Cyber at exploitation while staying in scope more reliably.

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The 2026 Virtual CISO Forum brings together CISOs, senior cybersecurity executives, practitioners, industry experts, and other security leaders to share practical experience and examine the issues shaping enterprise cybersecurity strategy.
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SecurityWeek’s CISO Forum 2026 Year-End Virtual Roundtable will reflect on a landmark year in security and discuss how to fortify your enterprise strategy for 2027.
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SecurityWeek’s Cyber AI & Automation Summit pushes the boundaries of security discussions by exploring the implications and applications of predictive AI, machine learning, and automation in modern cybersecurity programs.
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Vulnerabilities

Cybercrime

Starting on February 14, 2017, Microsoft’s Edge and Internet Explorer 11 web browsers will no longer load sites protected with a SHA-1 certificate, but will instead display an invalid certificate warning.

The CERT Coordination Center and the Network Time Foundation announced on Monday the availability of NTP 4.2.8p9, which includes nearly 40 security patches, bug fixes and improvements.

The U.S. Department of Defense (DoD) announced on Monday that it has created a vulnerability disclosure policy that aims to provide guidance to researchers on how to disclose security holes found in the organization’s public-facing websites.

On average, an enterprise now uses 1,427 cloud services. Seventy-one percent of these are enterprise services, with the remainder being consumer services. The average employee actively uses 36 cloud services, including nine collaboration services, six file sharing services, and five content sharing services (such as YouTube).

What’s worse than having to cook a Thanksgiving turkey? How about being forced to relegate the poor bird—or pieces of it—to a crock pot after discovering that your net-connected oven and wireless meat thermometer have both been hacked by crazy Cousin Constantine?

Oracle on Monday announced it is buying Dyn, a Web traffic management firm recently hit with a cyber attack that closed off the internet to millions of users.Business software and hardware titan Oracle did not disclose financial terms of the deal to acquire US-based Dynamic Network Services Inc, or Dyn.

Information security giant Symantec said on Monday that it will acquire identity protection firm LifeLock for $2.3 billion. Under the terms of the agreement, Symantec will pay $24 per share in a transaction financed with cash on hand and $750 million of new debt. 

Researchers from Cisco’s Talos Vulnerability Development Team discovered a total of four code execution flaws in the HDF5 library. The issues were reported to the developer and patched.

Mozilla this week released Firefox Focus for iOS, a privacy-focused web browser that gives users an increased level of privacy when browsing the Internet from their smartphones and tablets.

Hackers managed to obtain information from 133,000 user accounts after breaching the system used by U.K. telecommunications company Three to identify which customers are eligible for a device upgrade.

Hackers attempted to extort Michigan State University after gaining access to a database containing 400,000 student and employee records. The organization believes that only a few hundred records have actually been stolen by the attackers.

I have the great opportunity to spend time with CSOs and IT executives to understand their cybersecurity concerns and help them map out a strategy for success.

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