Security News > 2023 > May > Microsoft's May Patch Tuesday Fixes 38 Flaws, Including 2 Exploited Zero-Day Bugs

Microsoft has rolled out Patch Tuesday updates for May 2023 to address 38 security flaws, including one zero-day bug that it said is being actively exploited in the wild.
Eight of the flaws have been tagged with "Exploitation More Likely" assessment by Microsoft.
This is aside from 18 flaws - including 11 bugs since the start of May - the Windows maker resolved in its Chromium-based Edge browser following the release of April Patch Tuesday updates.
"An attacker who successfully exploited this vulnerability could gain SYSTEM privileges," Microsoft said, crediting Avast researchers Jan Vojt?šek, Milánek, and Luigino Camastra for reporting the flaw.
The development has prompted the U.S. Cybersecurity and Infrastructure Security Agency to add the flaw to its Known Exploited Vulnerabilities catalog, urging organizations to apply vendor fixes by May 30, 2023.
In addition to Microsoft, security updates have also been released by other vendors over the past few weeks to rectify several vulnerabilities, including -.
News URL
https://thehackernews.com/2023/05/microsofts-may-patch-tuesday-fixes-38.html
Related news
- Microsoft March 2025 Patch Tuesday fixes 7 zero-days, 57 flaws (source)
- Patch Tuesday: Microsoft Fixes 57 Security Flaws – Including Active Zero-Days (source)
- Microsoft April 2025 Patch Tuesday fixes exploited zero-day, 134 flaws (source)
- Patch Tuesday: Microsoft Fixes 134 Vulnerabilities, Including 1 Zero-Day (source)
- Choose your own Patch Tuesday adventure: Start with six zero day fixes, or six critical flaws (source)
- April 2025 Patch Tuesday forecast: More AI security introduced by Microsoft (source)
- March 2025 Patch Tuesday forecast: A return to normalcy (source)
- Apple Releases Patch for WebKit Zero-Day Vulnerability Exploited in Targeted Attacks (source)
- URGENT: Microsoft Patches 57 Security Flaws, Including 6 Actively Exploited Zero-Days (source)
- Microsoft patches Windows Kernel zero-day exploited since 2023 (source)