CVE-2024-30058 Overview
CVE-2024-30058 is a spoofing vulnerability affecting Microsoft Edge (Chromium-based). The flaw allows an attacker to manipulate content displayed in the browser to mislead users into trusting attacker-controlled data. Exploitation requires user interaction, typically visiting a crafted web page or clicking a malicious link.
The vulnerability is tracked under [CWE-357] (Insufficient UI Warning of Dangerous Operations) and [CWE-290] (Authentication Bypass by Spoofing). Microsoft published guidance through its Security Update Guide entry for CVE-2024-30058.
Critical Impact
Successful exploitation enables an attacker to spoof browser UI or content, undermining user trust decisions and potentially enabling downstream phishing or credential theft.
Affected Products
- Microsoft Edge (Chromium-based) prior to the June 2024 security update
- Windows client installations running vulnerable Edge builds
- Windows Server installations running vulnerable Edge builds
Discovery Timeline
- 2024-06-13 - CVE-2024-30058 published to NVD
- 2026-07-20 - Last updated in NVD database
Technical Details for CVE-2024-30058
Vulnerability Analysis
CVE-2024-30058 is a spoofing weakness in Microsoft Edge (Chromium-based). The browser fails to render or communicate specific security-relevant UI elements in a way that reliably reflects the actual origin, content, or trust boundary of displayed data. An attacker who lures a user to a crafted page can present misleading information that appears to originate from a legitimate source.
The issue combines characteristics of insufficient UI warning ([CWE-357]) with authentication-by-spoofing weaknesses ([CWE-290]). Impact is limited to confidentiality and integrity of user-perceived data. The vulnerability does not directly grant code execution or persistence on the endpoint.
Because exploitation requires user interaction, spoofing bugs of this class are typically chained with social engineering. Attackers use them to strengthen phishing lures, fake update prompts, or fraudulent authentication dialogs. The result is a higher likelihood that victims will submit credentials, approve OAuth consent, or download follow-on payloads.
Root Cause
The root cause resides in how Edge handles or presents content and origin indicators in specific browser contexts. When these indicators can be suppressed, delayed, or overwritten by attacker-controlled input, the user cannot reliably distinguish trusted content from spoofed content. Microsoft has not published low-level technical details beyond the advisory.
Attack Vector
The attack vector is network-based. An attacker hosts a malicious page or delivers a crafted link through email, messaging, or a compromised site. When the victim opens the link in a vulnerable Edge build and interacts with the page, the spoofed content renders as if it were legitimate. No privileged access is required on the target system.
Refer to the Microsoft Security Update Guide for CVE-2024-30058 for authoritative product and build coverage.
Detection Methods for CVE-2024-30058
Indicators of Compromise
- Edge browser telemetry showing navigation to newly registered or low-reputation domains immediately followed by credential submission events.
- Proxy or DNS logs recording repeated visits to lookalike domains that mimic corporate login portals or Microsoft services.
- User reports of Edge windows displaying UI elements or origin indicators that do not match the address bar.
Detection Strategies
- Inventory installed Microsoft Edge versions across the fleet and flag hosts running builds released before the June 2024 security update.
- Correlate browser navigation events with authentication activity to identify phishing chains that may leverage spoofed UI.
- Hunt for outbound requests from Edge to domains with high visual similarity to internal brands using homoglyph and typosquatting detection.
Monitoring Recommendations
- Enable and forward Edge SmartScreen and browser telemetry to centralized logging for review.
- Monitor Windows Update and Microsoft Edge update channels to confirm patch rollout status per endpoint.
- Track user-reported phishing submissions and correlate them with Edge version data to prioritize unpatched hosts.
How to Mitigate CVE-2024-30058
Immediate Actions Required
- Update Microsoft Edge (Chromium-based) to the version listed in the Microsoft Security Update Guide for CVE-2024-30058.
- Verify that Edge auto-update is enabled and functioning across managed endpoints using group policy or Intune.
- Restart the browser after updates to ensure the patched binaries are loaded into all Edge processes.
Patch Information
Microsoft addressed CVE-2024-30058 in the Edge Stable channel update released alongside the June 2024 security guidance. Administrators should consult the MSRC advisory to confirm the minimum fixed build for their deployment and validate installation through edge://settings/help.
Workarounds
- Enforce Microsoft Defender SmartScreen for Edge to block known phishing and spoofing infrastructure.
- Restrict Edge extensions and reduce browser attack surface through enterprise configuration policies until patches are confirmed installed.
- Deliver targeted user awareness reinforcing verification of address bar contents and origin indicators before submitting credentials.
# Verify installed Microsoft Edge version on Windows endpoints
reg query "HKLM\SOFTWARE\Microsoft\Edge\BLBeacon" /v version
# Force update check via Edge command line
start msedge --check-for-update-interval=1
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
