Microsoft fixes two actively exploited bugs, one used by BlackLotus bootkit (CVE-2023-29336, CVE-2023-24932)
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2016-3309 | Privilege Escalation in Microsoft Windows Kernel (CVE-2016-3309) | 7.8 | 20% | KEVRansomware | KEV |
| CVE-2021-1732 | Out-of-Bounds Write Local Privilege Escalation in Microsoft Win32k (CVE-2021-1732) | 7.8 | 78% | KEVRansomwarePoC ×2 | KEV |
| CVE-2021-40449 | Use-After-Free Local Privilege Escalation in Microsoft Windows Win32k | 7.8 | 82% | KEVRansomwarePoC | KEV |
| CVE-2022-21882 | Out-of-Bounds Write LPE in Microsoft Win32k on Windows 10/11 and Windows Server | 7.8 | 59% | KEVRansomware | KEV |
| CVE-2022-21894 | Secure Boot Security Feature Bypass Vulnerability | 4.4 | 7% | ||
| CVE-2022-26937 | Windows Network File System Remote Code Execution Vulnerability | 9.8 | 76% | ||
| CVE-2023-23397 | Zero-Click Elevation of Privilege in Microsoft Outlook (Forced NTLM Credential Leak) | 9.8 | 97% | KEV | KEV |
CVE-2023-29325+2 related CVEs | Windows OLE Remote Code Execution Vulnerability | 7.5 group max | 84% | ||
| CVE-2023-24941 | Windows Network File System Remote Code Execution Vulnerability | 9.8 | 95% | ||
| CVE-2023-24955 | Authenticated Code Injection RCE in Microsoft SharePoint Server (Actively Exploited) | 7.2 | 85% | KEVRansomware | KEV |
| CVE-2023-29336 | Use-after-free privilege escalation to SYSTEM in Microsoft Win32k | 7.8 | 41% | KEVPoC | KEV |
From the original article
3 min read at helpnetsecurity.com
For May 2023 Patch Tuesday, Microsoft has delivered fixes for 38 CVE-numbered vulnerabilities, including a patch for a Windows bug (CVE-2023-29336) and a Secure Boot bypass flaw (CVE-2023-24932) exploited by attackers in the wild. CVE-2023-29336 is a vulnerability that allows attackers to gain SYSTEM privileges.
By @zeljkazorz · helpnetsecurity.com
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