• Home
  • Cyber Crime
  • Cyber warfare
  • APT
  • Data Breach
  • Deep Web
  • Digital ID
  • Hacking
  • Hacktivism
  • Intelligence
  • Internet of Things
  • Laws and regulations
  • Malware
  • Mobile
  • Reports
  • Security
  • Social Networks
  • Terrorism
  • ICS-SCADA
  • POLICIES
  • Contact me
MUST READ

FBI seizes 20 BTC from Chaos Ransomware affiliate targeting Texas firms

 | 

Critical SAP flaw exploited to launch Auto-Color Malware attack on U.S. company

 | 

Orange reports major cyberattack, warns of service disruptions

 | 

Hackers leak images and comments from women dating safety app Tea

 | 

Pro-Ukraine hacktivists claim cyberattack on Russian Airline Aeroflot that caused the cancellation of +100 flights

 | 

Seychelles Commercial Bank Reported Cybersecurity Incident

 | 

Microsoft uncovers macOS flaw allowing bypass TCC protections and exposing sensitive data

 | 

U.S. CISA adds Cisco ISE and PaperCut NG/MF flaws to its Known Exploited Vulnerabilities catalog

 | 

Critical WordPress Post SMTP plugin flaw exposes 200K+ sites to full takeover

 | 

Scattered Spider targets VMware ESXi in using social engineering

 | 

China-linked group Fire Ant exploits VMware and F5 flaws since early 2025

 | 

Allianz Life data breach exposed the data of most of its 1.4M customers

 | 

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 55

 | 

Security Affairs newsletter Round 534 by Pierluigi Paganini – INTERNATIONAL EDITION

 | 

Law enforcement operations seized BlackSuit ransomware gang’s darknet sites

 | 

Arizona woman sentenced for aiding North Korea in U.S. IT job fraud scheme

 | 

Operation CargoTalon targets Russia’s aerospace with EAGLET malware,

 | 

Unpatched flaw in EoL LG LNV5110R cameras lets hackers gain Admin access

 | 

Koske, a new AI-Generated Linux malware appears in the threat landscape

 | 

Mitel patches critical MiVoice MX-ONE Auth bypass flaw

 | 
  • Home
  • Cyber Crime
  • Cyber warfare
  • APT
  • Data Breach
  • Deep Web
  • Digital ID
  • Hacking
  • Hacktivism
  • Intelligence
  • Internet of Things
  • Laws and regulations
  • Malware
  • Mobile
  • Reports
  • Security
  • Social Networks
  • Terrorism
  • ICS-SCADA
  • POLICIES
  • Contact me
  • Home
  • Breaking News
  • Security
  • Microsoft September 2023 Patch Tuesday fixed 2 actively exploited zero-day flaws

Microsoft September 2023 Patch Tuesday fixed 2 actively exploited zero-day flaws

Pierluigi Paganini September 13, 2023

Microsoft September 2023 Patch Tuesday addressed 59 new flaws, including two vulnerabilities under active attack.

Microsoft September 2023 Patch Tuesday security updates addressed 59 vulnerabilities, including two actively exploited zero-day.

The flaws addressed by the company impact Microsoft Windows and Windows Components; Exchange Server; Office and Office Components; .NET and Visual Studio; Azure; Microsoft Dynamics; and Windows Defender.

The company also addressed two external bugs and four Chromium bugs.

Five of the vulnerabilities fixed by the IT giant are rated Critical, 55 are rated Important, and one is rated Moderate in severity.

“Two of the CVEs released today are listed as being under active attack at the time of release while only one is listed as publicly known.” reported ZDI.

The two actively exploited zero-day vulnerabilities are:

  • CVE-2023-36802 – Microsoft Streaming Service Proxy Elevation of Privilege Vulnerability – An attacker can trigger the vulnerability to gain SYSTEM privileges.
  • CVE-2023-36761 – Microsoft Word Information Disclosure Vulnerability – An attacker can exploit this vulnerability to lead the disclosure of NTLM hashes

Follow me on Twitter: @securityaffairs and Facebook and Mastodon

Pierluigi Paganini

(SecurityAffairs – hacking, Microsoft September 2023 Patch Tuesday)


facebook linkedin twitter

Hacking hacking news information security news IT Information Security Microsoft September 2023 Patch Tuesday Pierluigi Paganini Security Affairs Security News

you might also like

Pierluigi Paganini July 30, 2025
FBI seizes 20 BTC from Chaos Ransomware affiliate targeting Texas firms
Read more
Pierluigi Paganini July 30, 2025
Critical SAP flaw exploited to launch Auto-Color Malware attack on U.S. company
Read more

leave a comment

newsletter

Subscribe to my email list and stay
up-to-date!

    recent articles

    FBI seizes 20 BTC from Chaos Ransomware affiliate targeting Texas firms

    Cyber Crime / July 30, 2025

    Critical SAP flaw exploited to launch Auto-Color Malware attack on U.S. company

    Malware / July 30, 2025

    Orange reports major cyberattack, warns of service disruptions

    Security / July 29, 2025

    Hackers leak images and comments from women dating safety app Tea

    Data Breach / July 29, 2025

    Pro-Ukraine hacktivists claim cyberattack on Russian Airline Aeroflot that caused the cancellation of +100 flights

    Hacktivism / July 29, 2025

    To contact me write an email to:

    Pierluigi Paganini :
    pierluigi.paganini@securityaffairs.co

    LEARN MORE

    QUICK LINKS

    • Home
    • Cyber Crime
    • Cyber warfare
    • APT
    • Data Breach
    • Deep Web
    • Digital ID
    • Hacking
    • Hacktivism
    • Intelligence
    • Internet of Things
    • Laws and regulations
    • Malware
    • Mobile
    • Reports
    • Security
    • Social Networks
    • Terrorism
    • ICS-SCADA
    • POLICIES
    • Contact me

    Copyright@securityaffairs 2024

    We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept All”, you consent to the use of ALL the cookies. However, you may visit "Cookie Settings" to provide a controlled consent.
    Cookie SettingsAccept All
    Manage consent

    Privacy Overview

    This website uses cookies to improve your experience while you navigate through the website. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities...
    Necessary
    Always Enabled
    Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
    Non-necessary
    Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. It is mandatory to procure user consent prior to running these cookies on your website.
    SAVE & ACCEPT