CVE-2026-58525Disclosure(microsoft / edge_chromium)

LOWCVSS 8.2 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch microsoft edge_chromium systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

microsoft CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58525

Weakness type (CWE)

CWE-284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

edge_chromium

Threat summary

Patch or workaround signal is available
7 mentions across 4 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 3 signals
Technical details provided in 1 signal
Disclosure: 3 classified signals
General: 1 classified signal
Peaked 2d ago at 3 mentions (2026-07-09); latest day: 1
7 total mentions across 4 days

Affected systems

Vendors

microsoft

Products

edge_chromium

Deep dive

Activity timeline7 mentions / 4d

Signal classification3 categories

Disclosure

342.9%

Patch

342.9%

General

114.3%

Referenced assets6 URLs

By indicator

Classification over time

Date	Total	Labels

2026-07-08	1	Disclosure1
2026-07-09	3	Disclosure1General1Patch1
2026-07-10	2	Disclosure1Patch1
2026-07-19	1	Patch1

Full discourse7 posts

إبراهيم بوحيمد | Ibrahim Buhaimed@buhaimedi91d
Disclosure
اليوم كنت افكر ليه مافي ثغرات لمنتجات مايكروسفت هاليومين عسى المانع خير !! ولكن مايكروسفت ماتخيب ظني ابد 😆 ثغره جديد في متصفح Edge رقمها CVE-2026-58525 الثغرة تسمح بتجاوز ميزة أمنية داخل المتصفح وقد تؤدي إلى كشف معلومات حساسة. https://t.co/1EkBLAns9f
Post summary
A new CVE‐2026‐58525 vulnerability in Microsoft Edge is announced, enabling a security bypass that may expose sensitive information, but no exploits, patches, or active attacks are mentioned.
210722.2K
50.1K followersView on X
しーにゃ♪@公式@Syynya90d
Patch
Microsoft Edge 150.0.4078.65 Released! https://learn.microsoft.com/en-us/deployedge/microsoft-edge-relnote-stable-channel#version-1500407865-july-09-2026-stable Edge 出ますた。Windows ユーザの方は早めの対処を。 ……CVE-2026-58525 は Edge 特有の脆弱性っぽいなあ。
Post summary
A new Microsoft Edge release includes fixes for CVE-2026-58525, but no exploit details or evidence of active exploitation are reported.
1101073
918 followersView on X
ThreadLinqs@threadlinqs81d
Patch
A crafted web page slips past Edge's security boundary - CVE-2026-58525. Patch to 150.0.4078.50 now. https://intel.threadlinqs.com/threat/TL-2026-1505 #ThreatIntel #CVE_2026_58525 #Edge #Chrome https://t.co/GRgfs2OVC8
Post summary
The tweet announces that CVE‑2026‑58525, a web‑page-based security issue in Microsoft Edge, has been patched in version 150.0.4078.50, with no exploitation or PoC details provided.
0000073
108 followersView on X
kawn@kawn202090d
Patch
#microsoftupdate #securityupdate #Edge マイクロソフトが Microsoft Edge for Stable (Version 150.0.4078.65) をリリース． CVE-2026-58525 にも対処 https://x.com/kawn2020/status/2075428556600213657
Post summary
Microsoft released an Edge update that addresses CVE‑2026‑58525, indicating a patch is applied to mitigate the vulnerability.
0000083
90 followersView on X
VulDB 🛡@vuldb90d
Disclosure
A severe vulnerability was disclosed for Microsoft Edge (CVE-2026-58525) https://vuldb.com/vuln/377108
Post summary
The statement announces the disclosure of CVE-2026-58525 affecting Microsoft Edge, but provides no technical details, proof‑of‑concept, or mitigation information.
00000113
2.3K followersView on X
しーにゃ♪@公式@Syynya90d
General
CVE-2026-58525 https://www.cve.org/CVERecord?id=CVE-2026-58525
Post summary
The message simply references CVE-2026-58525 and links to its CVE record without providing additional details.
0000037
918 followersView on X
The Circuitry@thecircuitry_91d
Disclosure
Microsoft has reserved CVE-2026-58525. NVD states the vulnerability will not be disclosed until the embargo expires. Details remain unavailable. Read the full report: https://thecircuitry.to/article/cve-2026-58525-reserved-by-microsoft-details-under-embargo-mrclft99 https://t.co/fpx0TGvWBs
Post summary
Microsoft has reserved CVE-2026-58525 under embargo, and no details or disclosures are available yet.
0000040
25 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	microsoft	edge_chromium	-	-	-

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What researchers are saying

CVE-2026-58525

إبراهيم بوحيمد | Ibrahim Buhaimed[verified]@buhaimediDisclosure

A new CVE‐2026‐58525 vulnerability in Microsoft Edge is announced, enabling a security bypass that may expose sensitive information, but no exploits, patches, or active attacks are mentioned.

ThreadLinqs[verified]@threadlinqsPatch

The tweet announces that CVE‑2026‑58525, a web‑page-based security issue in Microsoft Edge, has been patched in version 150.0.4078.50, with no exploitation or PoC details provided.

The Circuitry[verified]@thecircuitry_Disclosure

Microsoft has reserved CVE-2026-58525 under embargo, and no details or disclosures are available yet.

しーにゃ♪@公式@SyynyaPatch

A new Microsoft Edge release includes fixes for CVE-2026-58525, but no exploit details or evidence of active exploitation are reported.

kawn@kawn2020Patch

Microsoft released an Edge update that addresses CVE‑2026‑58525, indicating a patch is applied to mitigate the vulnerability.

VulDB 🛡@vuldbDisclosure

The statement announces the disclosure of CVE-2026-58525 affecting Microsoft Edge, but provides no technical details, proof‑of‑concept, or mitigation information.

しーにゃ♪@公式@SyynyaGeneral

The message simply references CVE-2026-58525 and links to its CVE record without providing additional details.