Internet Explorer Sends Its Regards CVE-2025-33053: Update Your Windows Now
Yes, you heard it right, Internet Explorer sends its regards through CVE-2025-33053, making it a good reason to update Windows 10 and Windows 11.
Even in 2025, Internet Explorer’s legacy is coming back to bite us. Microsoft recently patched a serious vulnerability — CVE‑2025‑33053 — in Windows 10 and 11. It targets WebDAV (Web Distributed Authoring and Versioning), an extension of HTTP that enables remote file management and still lurks in many Windows setups fortra.com+14krebsonsecurity.com+14action1.com+14.
What is WebDAV?
WebDAV makes it possible to edit and manage files on a remote web server as if they’re local. Although it’s been deprecated since 2023 and disabled by default, it’s still present in legacy systems and enterprise environments where file-sharing is common.
What’s the Deal with CVE‑2025‑33053?
This remote-code-execution bug lets attackers manipulate file names or paths via crafted WebDAV URLs or .url files, triggering execution of malicious code — no authentication needed redlegg.com+9action1.com+9feedly.com+9.
Check Point Research tied this exploit to the APT group “Stealth Falcon,” and patch Tuesday confirmed it’s being actively exploited crowdstrike.com+7cybaverse.co.uk+7feedly.com+7.
- Attack type: Remote, low complexity
- CVSS score: 8.8/10
- User interaction: Click a malicious WebDAV/.url link microsoft.com+15action1.com+15anoopcnair.com+15
Why You Should Care and Update Your Windows Now
- Active exploitation: Victims are being targeted RIGHT NOW.
- Silent & stealthy: No signs once malware is planted.
- Walking back deprecated isn’t enough: Some systems still have WebDAV enabled.
What You Should Do
- Patch now: Install the June 2025 updates (KB5060842/KB5060999 for Win11, KB5060533 for Win10)
- Audit & disable WebDAV: If unused, turn off WebClient/WebDAV services.
- Stay alert: Watch for unusual network calls to WebDAV servers or odd .url requests.
Link to official Microsoft bulletin: here is the official release from Microsoft.
Microsoft Security Update Guide – CVE‑2025‑33053 (WebDAV RCE)