CVE-2026-58595Network attack vector

Unauthenticated network content spoofing

Published Jul 14, 2026 · Updated Jul 14, 2026

UI layer restriction failure in Microsoft Bing Search for iOS before 33.4.440529002 allows remote attackers to spoof network content. Microsoft has not disclosed the affected rendered surface or the operation that lets attacker-controlled content obscure or imitate trusted UI. Exploitation requires user interaction, and Microsoft does not state whether the availability effect is a hang, crash, or another interruption.

CVSS severity8.1
High
EPSS probability0.69%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

UI layer restriction failure in Microsoft Bing Search for iOS before 33.4.440529002 allows remote attackers to spoof network content. Microsoft has not disclosed the affected rendered surface or the operation that lets attacker-controlled content obscure or imitate trusted UI. Exploitation requires user interaction, and Microsoft does not state whether the availability effect is a hang, crash, or another interruption.

The record

CVE
CVE-2026-58595
Published
Jul 14, 2026
Updated
Jul 14, 2026
Vendor
Microsoft
Product
Microsoft Bing Search for iOS
Classifications
CWE-1021
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0 <33.4.440529002

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Microsoft · Microsoft Bing Search for iOSversion=1.0 <33.4.440529002

Published CVSS scores

8.1Microsoft CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1021Improper Restriction of Rendered UI Layers or Frames

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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