Security readout for executives and security teams
Plain-English summary
CVE-2025-33053 is a Windows remote code execution flaw involving Internet Shortcut files. An attacker can trigger code execution over a network if a user interacts with malicious content. Microsoft rates it high severity, and CISA lists it as known exploited, so this should be treated as an urgent endpoint and server patching issue.
Executive priority
Treat this as a near-term patch priority because it is high-impact Windows RCE with confirmed exploitation. The main business risk is compromise through user interaction with malicious shortcut content, potentially leading to malware execution and full confidentiality, integrity, and availability impact.
Technical view
The vulnerability is CWE-73, external control of file name or path, in Internet Shortcut Files. The CVSS 3.1 score is 8.8 with network attack vector, low complexity, no privileges required, and required user interaction. Microsoft lists many Windows client and server versions as affected and provides a patched advisory.
Likely exposure
Exposure is likely where affected Windows 10, Windows 11, or Windows Server 2008 through 2019 systems remain unpatched and can process Internet Shortcut or WebDAV-related content from untrusted sources.
Exploitation context
Active exploitation is supported by the CISA KEV listing. The cited reporting associates exploitation with Stealth Falcon activity and WebDAV-related malware delivery, but this bundle does not provide enough detail to quantify broad criminal exploitation.
Researcher notes
Do not assume every Windows version is affected beyond Microsoft’s listed products. The public bundle supports RCE, user interaction, Internet Shortcut path control, WebDAV-related reporting, patch availability, and KEV status. It does not include safe technical indicators or complete defensive logic.
Mitigation direction
- Apply the Microsoft security update for CVE-2025-33053 across affected Windows systems.
- Prioritize internet-facing, high-value, and user workstation populations first.
- Review CISA KEV guidance and required remediation timelines for regulated environments.
- Restrict handling of untrusted Internet Shortcut files where feasible.
- Monitor vendor guidance for any additional mitigations or detection recommendations.
Validation and detection
- Inventory Windows versions listed as affected in the Microsoft advisory.
- Confirm CVE-2025-33053 patches are installed on in-scope assets.
- Review endpoint telemetry for suspicious Internet Shortcut or WebDAV-related execution chains.
- Check exposure among high-risk users receiving external files or links.
- Validate remediation status against CISA KEV tracking where applicable.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-73: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-33053 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Internet Shortcut Files Remote Code Execution VulnerabilityCVE reference · vendor-advisory, patch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33053CVE reference · government-resource
- https://research.checkpoint.com/2025/stealth-falcon-zero-day/CVE reference
- https://www.darkreading.com/vulnerabilities-threats/stealth-falcon-apt-exploits-microsoft-rce-zero-day-mideastCVE reference
- https://therecord.media/microsoft-cisa-zero-day-turkish-defense-orgCVE reference
- https://www.bleepingcomputer.com/news/security/stealth-falcon-hackers-exploited-windows-webdav-zero-day-to-drop-malware/CVE reference
- https://www.theregister.com/2025/06/10/microsoft_patch_tuesday_june/CVE reference
- https://www.vicarius.io/vsociety/posts/cve-2025-33053-mitigation-script-remote-code-execution-vulnerability-in-microsoft-webdavCVE reference
- https://www.vicarius.io/vsociety/posts/cve-2025-33053-detection-script-remote-code-execution-vulnerability-in-microsoft-webdavCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
External Control of File Name or Path
External Control of File Name or Path represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.