Microsoft QUIC Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
CISA confirmed this vulnerability is used in real attacks on 06.10.2025. Remediation deadline for US federal agencies: 27.10.2025.
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-087 ; https://nvd.nist.gov/vuln/detail/CVE-2011-3402
Unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via crafted font data in a Word document or web page, as exploited in the wild in November 2011 by Duqu, aka "TrueType Font Parsing Vulnerability."
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
| Vendor | Product | Versions | |
|---|---|---|---|
| microsoft | windows 7 | — | |
| microsoft | windows server 2003 | — | |
| microsoft | windows server 2008 | — | |
| microsoft | windows vista | — | |
| microsoft | windows xp | — |
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*Our free, open-source honeypot sensor waits on ports your server does not use and reports the scanners and attackers that connect to a shared blocklist.