Microsoft Patch Tuesday February 2023: Win Graphics RCE, Edge RCE, Publisher SFB, CLFS EoP, Exchange RCEs, Word RCE, HoloLens1

Hello everyone! This episode will be about Microsoft Patch Tuesday for February 2023, including vulnerabilities that were added between January and February Patch Tuesdays. Alternative video link for Russia: This month I decided to change the format a bit. Now I share my impression of Microsoft...

Microsoft Patch Tuesday January 2023: ALPC EoP, Win Backup EoP, LocalPotato, Exchange, Remote RCEs

Hello everyone! This episode will be about Microsoft Patch Tuesday for January 2023, including vulnerabilities that were added between December and January Patch Tuesdays. Alternative video link for Russia: As usual, I use my open source Vulristics project to analyse and prioritize vulnerabilitie...

Microsoft Patch Tuesday for January 2023 — Snort rules and prominent vulnerabilities

Microsoft released its monthly security update on Tuesday, disclosing 98 vulnerabilities. Of these vulnerabilities, 11 are classified as "Critical", 87 are classified as "Important", no vulnerability classified as "Moderate." According to Microsoft all "Critical" vulnerability are either less...

Samba Issues Security Updates to Patch Multiple High-Severity Vulnerabilities

Samba has released software updates to remediate multiple vulnerabilities that, if successfully exploited, could allow an attacker to take control of affected systems. The high-severity flaws, tracked as CVE-2022-38023, CVE-2022-37966, CVE-2022-37967, and CVE-2022-45141, have been patched in...

QSC 2022: Qualys’ Threat Research Unit (TRU) – Our Shield Is Your Shield

Day two of QSC profiled the special launch of the Qualys Threat Research Unit, TRU. Taking the audience through a madcap tour of what the threat research unit is doing to provide intelligence and actionable insights into its census was Travis Smith, VP of Qualys Threat Research Unit. He dove deep...

Researchers Detail Windows Event Log Vulnerabilities: LogCrusher and OverLog

Cybersecurity researchers have disclosed details about a pair of vulnerabilities in Microsoft Windows, one of which could be exploited to result in a denial-of-service DoS. The exploits, dubbed LogCrusher and OverLog by Varonis, take aim at the EventLog Remoting Protocol MS-EVEN, which enables...

Patch Tuesday - October 2022

The October batch of CVEs published by Microsoft includes 96 vulnerabilities, including 12 fixed earlier this month that affect the Chromium project used by their Edge browser. Top of mind for many this month is whether Microsoft would patch the two Exchange Server zero-day vulnerabilities...

Microsoft Patch Tuesday for September 2022 — Snort rules and prominent vulnerabilities

By Jon Munshaw and Asheer Malhotra. Microsoft released its monthly security update Tuesday, disclosing 64 vulnerabilities across the company’s hardware and software line, a sharp decline from the record number of issues Microsoft disclosed last month. September's security update features five...

Weekly Threat Digest: 9-15 May 2022

For a detailed threat digest, download the pdf file here Published Vulnerabilities Interesting Vulnerabilities Active Threat Groups Targeted Countries Targeted Industries ATT&CK TTPs 650 3 1 14 10 13 The second week of May 2022 witnessed the discovery of 650 vulnerabilities out of which 3 gained...

Microsoft Patch Tuesday April 2022 and custom CVE comments sources in Vulristics

Hello everyone! This episode will be about Microsoft Patch Tuesday for April 2022 and new improvements in my Vulristics project. I decided to add more comment sources. Because its not just Tenable, Qualys, Rapid7 and ZDI make Microsoft Patch Tuesday reviews, but also other security companies and...

Exploit for CVE-2022-26809

CVE-2021-1675 / CVE-2021-34527 Impacket implementation of the...

Microsoft Patch Tuesday, March 2022 Edition

Microsoft on Tuesday released software updates to plug at least 70 security holes in its Windows operating systems and related software. For the second month running, there are no scary zero-day threats looming for Windows users, and relatively few "critical" fixes. And yet we know from experienc...

Microsoft Patch Tuesday February 2022

Hello everyone! This episode will be about Microsoft Patch Tuesday for February 2022. I release it pretty late, because of the my previous big episode about the blindspots in the Knowledge Bases of Vulnerability Scanners. Please take a look if you havent seen it. Well, if you are even slightly...

Microsoft Patch Tuesday January 2022

Hello everyone! This episode will be about Microsoft Patch Tuesday for January 2022. Traditionally, I will use my open source Vulristics tool for analysis. This time I didnt make any changes to how connectors work. The report generation worked correctly on the first try. python3.8 vulristics.py...

New Exploit Lets Malware Attackers Bypass Patch for Critical Microsoft MSHTML Flaw

A short-lived phishing campaign has been observed taking advantage of a novel exploit that bypassed a patch put in place by Microsoft to fix a remote code execution vulnerability affecting the MSHTML component with the goal of delivering Formbook malware. "The attachments represent an escalation ...

Warning — Hackers Exploiting New Windows Installer Zero-Day Exploit in the Wild

Attackers are actively making efforts to exploit a new variant of a recently disclosed privilege escalation vulnerability to potentially execute arbitrary code on fully-patched systems, once again demonstrating how adversaries move quickly to weaponize a publicly available exploit. Cisco Talos...

Threat Source newsletter (Oct. 14, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. It's still Cybersecurity Awareness Month, and what better way to celebrate by patching and then patching some more? This week was Microsoft Patch Tuesday, which only included two critical vulnerabilities, but still... This is only...

PT-2021-4388

Name of the Vulnerable Software and Affected Versions Windows Win32k versions prior to the fixed version Description The issue is related to a use-after-free vulnerability in the Win32k component of Windows operating systems. This vulnerability can be exploited to elevate privileges. The...

Security News: Microsoft Patch Tuesday September 2021, OMIGOD, MSHTML RCE, Confluence RCE, Ghostscript RCE, FORCEDENTRY Pegasus

Hello everyone! This time, lets talk about recent vulnerabilities. Ill start with Microsoft Patch Tuesday for September 2021. I created a report using my Vulristics tool. You can see the full report here. The most interesting thing about the September Patch Tuesday is that the top 3 VM vendors...

Security News: Microsoft Patch Tuesday August 2021, Phishers Started Using reCAPTCHA, Scan 1 IP and Go to Jail

Hello everyone! Yet another news episode. Microsofts August Patch Tuesday Lets start with Microsofts August Patch Tuesday. I think the most interesting thing is that it contains a fix for the PetitPotam vulnerability. I talked about this vulnerability two weeks ago. At the time, Microsoft had no...