CVE-2025-27479High
MSR
MSR
Microsoft Security Response Center
The Security Update Guide is the source of truth for vulnerabilities in Microsoft products — KB article numbers, impacted builds and replacement patches. MSRC also assigns the MSRC-specific exploitability index used alongside CVSS.
Region
US
Updates
Patch Tuesday + ad-hoc
License
Proprietary
Microsoft's Security Update Guide, covering Windows, Office, Azure, SQL Server, Exchange and other first-party products.
https://msrc.microsoft.com/update-guide →Share link
Anyone with the link can open this vulnerability.
Insufficient resource pool in Windows Kerberos allows an unauthorized attacker to deny service over a network.
CVSS
7.5
High
EPSS
0.02
p75
Published
2025-01-01
Updated
2025-01-01
Description
Insufficient resource pool in Windows Kerberos allows an unauthorized attacker to deny service over a network.
Tags · CWE
Pre-auth
CWE-410
CWE-410ClassIncomplete
Insufficient Resource Pool
The product's resource pool is not large enough to handle peak demand, which allows an attacker to prevent others from accessing the resource by using a (relatively) large number of requests for resources.
https://cwe.mitre.org/data/definitions/410.html →Open in CWE collection →Affected products
Windows_server_2012Windows_server_2016 < 10.0.14393.7969Windows_server_2019 < 10.0.17763.7136Windows_server_2022 < 10.0.20348.3453Windows_server_2022_23h2 < 10.0.25398.1551Windows_server_2025 < 10.0.26100.3775
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Timeline
2025-01-01
Published
2025-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: N
None (N)
Integrity Impact
I: N
None (N)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.018 · p75
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
| Product | Vendor | Status |
|---|---|---|
| windows_server_2012 | * | Tracked |
| windows_server_2016 | * | Tracked |
| windows_server_2019 | * | Tracked |
| windows_server_2022 | * | Tracked |
| windows_server_2022_23h2 | * | Tracked |
| windows_server_2025 | * | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
| Windows | Microsoft | Tracked |
Showing first 20 of 121
Source databases
MSR
MSR
Microsoft Security Response Center
The Security Update Guide is the source of truth for vulnerabilities in Microsoft products — KB article numbers, impacted builds and replacement patches. MSRC also assigns the MSRC-specific exploitability index used alongside CVSS.
Region
US
Updates
Patch Tuesday + ad-hoc
License
Proprietary
Microsoft's Security Update Guide, covering Windows, Office, Azure, SQL Server, Exchange and other first-party products.
https://msrc.microsoft.com/update-guide →CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →Related vulnerabilities
External references