CVE-2025-62454
published 2025-12-09CVE-2025-62454: Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
PriorityP353high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
2.16%
80.2th percentile
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Affected
30 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1809 | < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft | windows_10_21h2 | < 10.0.19044.6691 | 10.0.19044.6691 |
| microsoft | windows_10_22h2 | < 10.0.19045.6691 | 10.0.19045.6691 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.6691 | 10.0.19044.6691 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.6691 | 10.0.19045.6691 |
| microsoft | windows_11_23h2 | < 10.0.22631.6345 | 10.0.22631.6345 |
| microsoft | windows_11_24h2 | < 10.0.26100.7392 | 10.0.26100.7392 |
| microsoft | windows_11_25h2 | < 10.0.26200.7392 | 10.0.26200.7392 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.6345 | 10.0.22631.6345 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.6345 | 10.0.22631.6345 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.7462 | 10.0.26100.7462 |
| microsoft | windows_11_version_25h2 | >= 10.0.26200.0 < 10.0.26200.7462 | 10.0.26200.7462 |
| microsoft | windows_server_2019 | < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft | windows_server_2022 | < 10.0.20348.4467 | 10.0.20348.4467 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.4529 | 10.0.20348.4529 |
| microsoft | windows_server_2022_23h2 | < 10.0.25398.2025 | 10.0.25398.2025 |
| microsoft | windows_server_2025 | < 10.0.26100.7392 | 10.0.26100.7392 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.7462 | 10.0.26100.7462 |
| msrc | windows_10_version_1809 | — | — |
| msrc | windows_10_version_21h2 | — | — |
| msrc | windows_10_version_22h2 | — | — |
| msrc | windows_11_version_23h2 | — | — |
| msrc | windows_11_version_24h2 | — | — |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.8HIGH
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GHSA
GHSA-vh3f-47cg-xc52: Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally
ghsa_unreviewed·2025-12-09
CVE-2025-62454 [HIGH] CWE-122 GHSA-vh3f-47cg-xc52: Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Microsoft
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
vendor_msrc·2025-12-09·CVSS 7.8
CVE-2025-62454 [HIGH] CWE-122 Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Description: Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Windows Cloud Files Mini Filter Driver: Windows Cloud Files Mini Filter Driver
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation More Likely
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5072033
Reference: https://support.microsoft.com/hel
No detection rules found.
No public exploits indexed.
Tenable
Microsoft’s December 2025 Patch Tuesday Addresses 56 CVEs (CVE-2025-62221)
blogs_tenable·2025-12-09·CVSS 7.8
[HIGH] Microsoft’s December 2025 Patch Tuesday Addresses 56 CVEs (CVE-2025-62221)
## Cloud Exposure
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## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
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Talos
Microsoft Patch Tuesday for December 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-12-09·CVSS 8.8
[HIGH] Microsoft Patch Tuesday for December 2025 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for December 2025 — Snort rules and prominent vulnerabilities
The Patch Tuesday for December of 2025 includes 57 vulnerabilities, including two that Microsoft marked as “critical.” The remaining vulnerabilities listed are classified as “important.” Microsoft assessed that exploitation of the two “critical” vulnerabilities is “less likely.”
CVE‑2025‑62562 is a Microsoft Outlook remote code execution vulnerability. Although it involves a use after free in Microsoft Office Outlook to allow an unauthorized attacker to execute code locally, an attacker would still need to send a malicious email and persuade the user to reply to it for the exploit to work.
CVE-2025-62553 , CVE-2025-62554 , CVE-2025-62556 and CVE-2025-62557 are Microsoft Office Remote Code Execution
Qualys
Microsoft and Adobe Patch Tuesday, December 2025 Security Update Review
blogs_qualys·2025-12-09
Microsoft and Adobe Patch Tuesday, December 2025 Security Update Review
## Table of Contents
Microsoft Patch Tuesday forDecember2025
Adobe Patches for December 2025
Zero-day Vulnerabilities Patched inDecemberPatch Tuesday Edition
Critical Severity Vulnerabilities Patched in DecemberPatch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
Rapid Response with TruRisk Eliminate
Qualys Monthly Webinar Series
As the year winds down, Microsoft Patch Tuesday in December arrives with essential fixes and enhancements to close vulnerabilities and boost performance. Here’s a quick breakdown of what you need to know.
## Microsoft Patch Tuesday for December 2025
This month’s release addresses 72 vulnerabilities, including three critica
Talos
Microsoft Patch Tuesday for December 2025 — Snort rules and prominent vulnerabilities
blogs_talos·2025-12-09·CVSS 8.8
[HIGH] Microsoft Patch Tuesday for December 2025 — Snort rules and prominent vulnerabilities
The Patch Tuesday for December of 2025 includes 57 vulnerabilities, including two that Microsoft marked as “critical.” The remaining vulnerabilities listed are classified as “important.” Microsoft assessed that exploitation of the two “critical” vulnerabilities is “less likely.”
CVE‑2025‑62562 is a Microsoft Outlook remote code execution vulnerability. Although it involves a use after free in Microsoft Office Outlook to allow an unauthorized attacker to execute code locally, an attacker would still need to send a malicious email and persuade the user to reply to it for the exploit to work.
CVE-2025-62553, CVE-2025-62554, CVE-2025-62556 and CVE-2025-62557 are Microsoft Office Remote Code Execution Vulnerability. An attacker can access resources using incompatible type ('type confusion') o
Qualys
Microsoft and Adobe Patch Tuesday, December 2025 Security Update Review | Qualys
blogs_qualys·2025-12-09
Microsoft and Adobe Patch Tuesday, December 2025 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday forDecember2025
- Adobe Patches for December 2025
- Zero-day Vulnerabilities Patched inDecemberPatch Tuesday Edition
- Critical Severity Vulnerabilities Patched in DecemberPatch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
- Rapid Response with TruRisk Eliminate
- Qualys Monthly Webinar Series
As the year winds down, Microsoft Patch Tuesday in December arrives with essential fixes and enhancements to close vulnerabilities and boost performance. Here’s a quick breakdown of what you need to know.
## Microsoft Patch Tuesday for December 2025
This month’s release addresses 72 vulnerabilities, including t
Bleepingcomputer
Microsoft December 2025 Patch Tuesday fixes 3 zero-days, 57 flaws
blogs_bleepingcomputer·2025-12-09·CVSS 7.8
[HIGH] Microsoft December 2025 Patch Tuesday fixes 3 zero-days, 57 flaws
## Microsoft December 2025 Patch Tuesday fixes 3 zero-days, 57 flaws
## Lawrence Abrams
28 Elevation of Privilege Vulnerabilities
19 Remote Code Execution Vulnerabilities
4 Information Disclosure Vulnerabilities
3 Denial of Service Vulnerabilities
2 Spoofing Vulnerabilities
When BleepingComputer reports on Patch Tuesday security updates, we only count those released by Microsoft today. Therefore, the number of flaws does not include Microsoft Edge (15 flaws) and Mariner vulnerabilities fixed earlier this month.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5072033 & KB5071417 cumulative updates .
If you're facing delays, blind spots, or prioritization issues with Patch Tuesday updates, our recent webinar with
Wiz
CVE-2025-62454 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 7.8
CVE-2025-62454 [HIGH] CVE-2025-62454 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-62454 :
vulnerability analysis and mitigation
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Source : NVD
## 7.8
Score
Published December 9, 2025
Severity HIGH
CNA Score 7.8
Has Public Exploit Yes
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 25.2
Exploitation Probability (EPSS) 0.1
Sources
NVD
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Zscaler
Zscaler protects against 6 new vulnerabilities | 12-09-2025
blogs_zscaler·CVSS 7.8
[HIGH] Zscaler protects against 6 new vulnerabilities | 12-09-2025
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2025-12-09
Published