3 Actively Exploited Zero-Day Flaws Patched in Microsoft's Latest Security Update
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2024-38030 | Windows Themes Spoofing Vulnerability | 6.5 | 51% | ||
| CVE-2024-7344 | Howyar UEFI Application "Reloader" (32-bit and 64-bit) is vulnerable to execution of unsigned software in a hardcoded path | 8.2 | 1% | PoC | |
CVE-2025-21186+2 related CVEs | Microsoft Access Remote Code Execution Vulnerability | 7.8 | 1% | ||
| CVE-2025-21298 | Use-After-Free RCE in Windows OLE (CVE-2025-21298) | 9.8 group max | 74% | PoC | |
| CVE-2025-21275 | Windows App Package Installer Elevation of Privilege Vulnerability | 7.8 | <1% | ||
| CVE-2025-21311 | Windows NTLM V1 Elevation of Privilege Vulnerability | 9.8 | 2% | ||
CVE-2025-21333+2 related CVEs | Actively Exploited Heap Overflow in Windows Hyper-V VSP Enables Privilege Escalation | 7.8 | 10% | KEVPoC | KEV |
From the original article
6 min read at thehackernews.com
Microsoft kicked off 2025 with a new set of patches for a total of 161 security vulnerabilities across its software portfolio, including three zero-days that have been actively exploited in attacks. Of the 161 flaws, 11 are rated Critical and 149 are rated Important in severity. One other flaw, a non-Microsoft CVE related to a Windows Secure Boot bypass ( CVE-2024-7344 , CVSS score: 6.
By @TheHackersNews · thehackernews.com
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