A vulnerability classified as problematic was found in Microsoft Windows. This vulnerability affects unknown code of the component MapUrlToZone. The manipulation leads to improper resolution of path equivalence.
This vulnerability was named CVE-2025-21329. The attack can be initiated remotely. There is no exploit available.
It is recommended to apply a patch to fix this issue.
Intelligence View
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CVE-2025-21329 | Microsoft Windows up to Server 2025 MapUrlToZone resolution of path
A vulnerability classified as problematic was found in Microsoft Windows. This vulnerability affects unknown code of the component MapUrlToZone. The manipulation leads to improper resolution of path equivalence. This vulnerability was…
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IoC Intelligence (1 Indikatoren)
CVE-2025-21329
CTI Threat Relationship Graph2 Knoten / 1 Relationen
IR-PLAYBOOK-VULN-REMEDIATION
MEDIUMSOC Incident Playbook: Vulnerability Remediation & Verification
1-Click Detection Engineering: Sigma & YARA Rules
SOC Readytitle: Detect Exploitation - CVE-2025-21329 | Microsoft Windows up to Server 2025 MapUrlToZone resolution of path
id: 4feb6a8c-2da0-4d00-b510-9d1de20a1f92
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
- https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
category: network_connection
product: any
detection:
selection:
CommandLine|contains:
- 'exploit'
condition: selection
falsepositives:
- Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
- attack.initial_accessrule CTI_Threat_Indicator {
meta:
author = "iShareStuff CTI Automated Detection Engine"
date = "2026-09-24"
description = "YARA Signature for "
strings:
$str = "CVE-2025-21329 | Microsoft Win" ascii wide
condition:
any of them
}
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