August Windows updates break dual boot on some Linux systems
According to user reports following this month's Patch Tuesday, the August 2024 Windows updates are breaking dual boot on some Linux systems with Secure Boot enabled. [...]
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Windows driver zero-day exploited by Lazarus hackers to install rootkit
The notorious North Korean Lazarus hacking group exploited a zero-day flaw in the Windows AFD.sys driver to elevate privileges and install the FUDModule rootkit on targeted systems. [...]
Microsoft: Enable MFA or lose access to admin portals in October
Microsoft warned Entra global admins on Thursday to enable multi-factor authentication (MFA) for their tenants until October 15 to ensure users don't lose access to admin portals. [...]
New Windows IPv6 Zero-Click Vulnerability
The press is reporting a critical Windows vulnerability affecting IPv6. As Microsoft explained in its Tuesday advisory, unauthenticated attackers can exploit the flaw remotely in low-complexity attacks by repeatedly sending IPv6 packets that include specially crafted packets. Microsoft also shared its exploitability assessment for this critical vulnerability, tagging it …
Microsoft disables BitLocker security fix, advises manual mitigation
Microsoft has disabled a fix for a BitLocker security feature bypass vulnerability due to firmware incompatibility issues that were causing patched Windows devices to go into BitLocker recovery mode. [...]
Zero-click Windows TCP/IP RCE impacts all systems with IPv6 enabled, patch now
Microsoft warned customers this Tuesday to patch a critical TCP/IP remote code execution (RCE) vulnerability with an increased likelihood of exploitation that impacts all Windows systems with IPv6 enabled. [...]
New Windows SmartScreen bypass exploited as zero-day since March
Today, Microsoft revealed that a Mark of the Web security bypass vulnerability exploited by attackers as a zero-day to bypass SmartScreen protection was patched during the June 2024 Patch Tuesday. [...]
Microsoft August 2024 Patch Tuesday fixes 9 zero-days, 6 exploited
Today is Microsoft's August 2024 Patch Tuesday, which includes security updates for 89 flaws, including six actively exploited and three publicly disclosed zero-days. Microsoft is still working on an update for a tenth publicly disclosed zero-day. [...]
Microsoft discloses Office zero-day, still working on a patch
Microsoft has disclosed a high-severity zero-day vulnerability affecting Office 2016 and later, which is still waiting for a patch. [...]
Microsoft discloses unpatched Office flaw that exposes NTLM hashes
Microsoft has disclosed a high-severity vulnerability affecting Office 2016 that could expose NTLM hashes to a remote attacker. [...]
Windows Update downgrade attack "unpatches" fully-updated systems
SafeBreach security researcher Alon Leviev discovered a Windows Update downgrade attack that can "unpatch" fully-updated Windows 10, Windows 11, and Windows Server systems to reintroduce old vulnerabilities [...]
Microsoft 365 anti-phishing feature can be bypassed with CSS
Researchers have demonstrated a method to bypass an anti-phishing measure in Microsoft 365 (formerly Office 365), elevating the risk of users opening malicious emails.` [...]
Windows Smart App Control, SmartScreen bypass exploited since 2018
A design flaw in Windows Smart App Control and SmartScreen that enables attackers to launch programs without triggering security warnings has been under exploitation since at least 2018. [...]
Global Microsoft Meltdown Tied to Bad Crowdstrike Update
A faulty software update from cybersecurity vendor Crowdstrike crippled countless Microsoft Windows computers across the globe today, disrupting everything from airline travel and financial institutions to hospitals and businesses online. Crowdstrike said a fix has been deployed, but experts say the recovery from this outage could take some time …
Major outages at CrowdStrike, Microsoft leave the world with BSODs and confusion
Enlarge / A passenger sits on the floor as long queues form at the check-in counters at Ninoy Aquino International Airport, on July 19, 2024 in Manila, Philippines. (credit: Ezra Acayan/Getty Images) Millions of people outside the IT industry are learning what CrowdStrike is today, and that's a real …
Exchange Online adds Inbound DANE with DNSSEC for security boost
Microsoft is rolling out inbound SMTP DANE with DNSSEC for Exchange Online in public preview, a new capability to boost email integrity and security. [...]
Microsoft links Scattered Spider hackers to Qilin ransomware attacks
Microsoft says the Scattered Spider cybercrime gang has added Qilin ransomware to its arsenal and is now using it in attacks. [...]
Microsoft finally fixes Outlook alerts bug caused by December updates
Microsoft has finally fixed a known Outlook issue, confirmed in February, which was triggering incorrect security alerts after installing the December security updates for Outlook Desktop. [...]
Threat actors exploited Windows 0-day for more than a year before Microsoft fixed it
Enlarge (credit: Getty Images) Threat actors carried out zero-day attacks that targeted Windows users with malware for more than a year before Microsoft fixed the vulnerability that made them possible, researchers said Tuesday. The vulnerability, present in both Windows 10 and 11, causes devices to open Internet Explorer, a …
The Stark Truth Behind the Resurgence of Russia’s Fin7
The Russia-based cybercrime group dubbed “ Fin7,” known for phishing and malware attacks that have cost victim organizations an estimated $3 billion in losses since 2013, was declared dead last year by U.S. authorities. But experts say Fin7 has roared back to life in 2024 — setting up thousands of …
Windows MSHTML zero-day used in malware attacks for over a year
Microsoft fixed a Windows zero-day vulnerability that has been actively exploited in attacks for eighteen months to launch malicious scripts while bypassing built-in security features. [...]
Microsoft July 2024 Patch Tuesday fixes 142 flaws, 4 zero-days
Today is Microsoft's July 2024 Patch Tuesday, which includes security updates for 142 flaws, including two actively exploited and two publicly disclosed zero-days. [...]
On the CSRB’s Non-Investigation of the SolarWinds Attack
ProPublica has a long investigative article on how the Cyber Safety Review Board failed to investigate the SolarWinds attack, and specifically Microsoft’s culpability, even though they were directed by President Biden to do so. [...]
The president ordered a board to probe a massive Russian cyberattack. It never did.
Enlarge (credit: Avishek Das/SOPA Images/LightRocket via Getty Images ) This story was originally published by ProPublica. Investigating how the world’s largest software provider handles the security of its own ubiquitous products. After Russian intelligence launched one of the most devastating cyber espionage attacks in history against US …
ONNX phishing service targets Microsoft 365 accounts at financial firms
A new phishing-as-a-service (PhaaS) platform called ONNX Store is targeting Microsoft 365 accounts for employees at financial firms using QR codes in PDF attachments. [...]
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