Medium

Information Disclosure in Windows USB Video Driver Error Messages

IdentifiersCVE-2025-55676CWE-209· Generation of Error Message…

CVE-2025-55676 is an information disclosure vulnerability in the Windows USB Video Driver. According to the provided content, the issue arises from generation of an error message containing sensitive information. A locally authorized attacker can trigger the vulnerable condition and obtain sensitive information exposed through the driver's error handling or diagnostic output. No additional technical details about the specific code path, function, or affected versions were provided in the source content.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows disclosure of sensitive information to a locally authorized attacker. Based on the provided information, this is a local information disclosure issue rather than a direct code execution or privilege escalation vulnerability. The exposed information could aid further post-exploitation activity, local reconnaissance, or facilitate chaining with other vulnerabilities, but the specific data types disclosed are not described in the provided content.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, limit local access to authorized and trusted users only, reduce opportunities for untrusted users to interact with affected systems, and restrict access to diagnostic logs or error outputs that may expose sensitive information. Monitor Microsoft advisories for any additional vendor-recommended mitigations, as no specific mitigation beyond patching was included in the provided content.

Remediation

Patch, then assume compromise.

Apply the Microsoft security update that addresses CVE-2025-55676 as part of the October 2025 security update cycle. No more specific product-version remediation details were provided in the supplied content.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

Microsoft CorporationWindows 11 24h2operating_system

Microsoft CorporationWindows 11 25h2operating_system

Microsoft CorporationWindows 11 2h2operating_system

Microsoft CorporationWindows Server 2025operating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

3 SOURCESView more in app

talos intelligence blogNews

Oct 14, 2025

Microsoft Patch Tuesday for October 2025 — Snort rules and prominent vulnerabilities

One of 11 important vulnerabilities considered more likely to be exploited, ranging from remote code execution to privilege escalation across desktop and cloud environments.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES

MITRE CVE

cve.org · CVE-2025-55676

NVD

nvd.nist.gov/vuln/detail/CVE-2025-55676

MITRE CWE · CWE-209

Generation of Error Message Containing…

Vendor Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55676