CVE-2026-42826Disclosure(microsoft / azure_devops)

HIGHCVSS 7.5 · HIGH

Exploitation observed; activity peaked at 6 mentions and remains active

Immediate actions

Patch microsoft azure_devops systems immediately
Assume compromise if assets are exposed
Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft

Recommended action window: Immediate (within 24h)

NVD description

Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose information over a network.

microsoft CVEs Back to dashboard

7.8/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42826

Weakness type (CWE)

CWE-200

Priority

HIGH

Exploitation

ACTIVE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

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

azure_devops

Threat summary

Active exploitation appears in 1 classified signals
Public PoC and exploit tooling are both present
Patch or workaround signal is available
26 mentions across 13 observed days

What's happening

Active exploitation reported across 1 signal
Exploit tool or code specified in 1 signal
PoC mentioned or linked in 1 signal
Patch or workaround mentioned in 2 signals
Technical details provided in 16 signals
Disclosure: 11 classified signals
General: 11 classified signals
Peaked 7d ago at 6 mentions (2026-05-13); latest day: 2
26 total mentions across 13 days

Affected systems

Vendors

microsoft

Products

azure_devops

1 version affected across 1 product

Deep dive

Activity timeline26 mentions / 13d

Signal classification5 categories

Disclosure

1142.3%

General

1142.3%

Patch

27.7%

Active Exploitation

13.8%

Exploit

13.8%

Referenced assets8 URLs

By indicator

Classification over time

Date	Total	Labels

2026-05-07	1	Patch1
2026-05-08	2	Disclosure1General1
2026-05-09	1	Disclosure1
2026-05-10	3	Disclosure2General1
2026-05-12	1	General1
2026-05-13	6	Disclosure2General4
2026-05-17	2	Disclosure1General1
2026-05-29	1	Patch1
2026-05-30	1	General1
2026-05-31	1	General1
2026-06-09	1	Active Exploitation1
2026-06-16	4	Disclosure3General1
2026-08-05	2	Disclosure1Exploit1

Full discourse20 posts

ExploitGrid@exploitgrid64d
Disclosure
🛡️ #ExploitGrid Daily #Threat Digest Critical Exploits disclosed today: EGE-GH-nWj2Sy0 ( CVE-2026-42826 ) EGE-GH-FLy7Zaa ( CVE-2025-71338 ) EGE-GH-lPbsTBU ( CVE-2026-52887 ) EGE-GH-KAmy9Px ( CVE-2026-15409 ) EGE-GH-3TfhoOr ( CVE-2026-69083 ) ..🧵👇
Post summary
The post announces five newly disclosed critical exploits, listing only CVE identifiers and internal codes, without providing any technical details, PoC, or evidence of active use.
1000163
29 followersView on X
CVETrends@CVEShield130d
General
Top 5 Trending CVEs: 1 - CVE-2026-48095 2 - CVE-2026-45585 3 - CVE-2026-40369 4 - CVE-2026-42826 5 - CVE-2026-0257 #cve #cvetrends #cveshield #cybersecurity https://www.cveshield.com/dashboard
Post summary
The post merely lists the top five trending CVEs without further details or actionable information.
00020229
1.7K followersView on X
CVETrends@CVEShield131d
General
Top 5 Trending CVEs: 1 - CVE-2026-0257 2 - CVE-2026-48095 3 - CVE-2026-42826 4 - CVE-2026-39987 5 - CVE-2026-0265 #cve #cvetrends #cveshield #cybersecurity https://www.cveshield.com/dashboard
Post summary
The post simply lists trending CVE identifiers without providing any technical detail, evidence of exploitation, or remedial information.
01010256
1.7K followersView on X
CVE@CVEnew151d
General
CVE-2026-42826 Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose information over a network. https://www.cve.org/CVERecord?id=CVE-2026-42826
Post summary
The text references CVE-2026-42826, describing it as an information‑disclosure flaw in Azure DevOps that permits unauthorized data exposure over a network. No PoC, exploit, patch, or evidence of active exploitation is provided.
00020285
57.8K followersView on X
Upwind Security MDR@UpwindMDR153d
Disclosure
🚨 Azure DevOps CVE-2026-42826 (CVSS 10) Critical information disclosure vulnerability allowing unauthorized access to sensitive network information in Azure DevOps. Impact: unauthorized attackers may gain access to internal network data and infrastructure details.
Post summary
The message announces the Azure DevOps CVE-2026-42826 vulnerability, detailing its high CVSS score, information disclosure nature, and potential for attackers to access internal network data.
00020101
152 followersView on X
ExploitGrid@exploitgrid64d
Exploit
[EXPLOIT] EGE-GH-nWj2Sy0 [CRITICAL/PoC] Linked: CVE-2026-42826 POC-CVE-2026-42826-2026-42826-Microsoft-Azure-DevOps-Information-Disclosure-V... 🔗 https://exploitgrid.net/exploits/60527981-e0a2-4b74-b449-97895c3b146a
Post summary
The post announces a critical proof‑of‑concept for CVE‑2026‑42826, providing a link to exploit code on ExploitGrid, but makes no claim of active exploitation or mitigation.
1000054
29 followersView on X
Lyrie.ai@lyrie_ai114d
Disclosure
What Happened On May 7, 2026, Microsoft published CVE-2026-42826, a network-accessible information disclosure vulnerability affecting Azure DevOps. Unlike typical authorization bypasses, this flaw allows an unauthorized attacker to directly disclose sensitive information…
Post summary
Microsoft announced CVE-2026-42826, a network‑accessible information disclosure flaw in Azure DevOps that permits unauthorized data disclosure.
1000031
288 followersView on X
Lyrie.ai@lyrie_ai114d
General
Attack Progression An attacker exploiting CVE-2026-42826 could: Enumerate Azure DevOps instances within a target organization Extract Personal Access Tokens (PATs), deploy keys, or service principal credentials Gain access to private repositories, build artifacts, and…
Post summary
The snippet outlines how an attacker can exploit CVE-2026-42826 to enumerate Azure DevOps environments and harvest credentials, but does not provide evidence of active exploitation, patches, or a PoC.
1000034
288 followersView on X
Lyrie.ai@lyrie_ai114d
Disclosure
The Perfect Storm: Unauthenticated Information Disclosure in Azure DevOps (CVE-2026-42826 CVSS 10.0). TL;DR Microsoft disclosed CVE-2026-42826, a critical information disclosure vulnerability in Azure DevOps with a perfect CVSS 10.0 score.
Post summary
Microsoft disclosed a critical Azure DevOps information disclosure vulnerability (CVE‑2026‑42826) with a perfect CVSS 10.0 score, but no PoC, exploitation details, or remediation information were provided.
1000031
288 followersView on X
Lyrie.ai@lyrie_ai114d
Disclosure
TL;DR Microsoft disclosed CVE-2026-42826, a critical information disclosure vulnerability in Azure DevOps with a perfect CVSS 10.0 score. An unauthenticated attacker can expose sensitive information across the network without any credentials or user interaction. Every…
Post summary
Microsoft disclosed CVE-2026-42826, a CVSS 10.0 information‑disclosure flaw in Azure DevOps that allows unauthenticated attackers to expose sensitive data without credentials.
1000034
288 followersView on X
كاسبر سكاي@KasperskyDev132d
Patch
⚠️ ثغرة كشف معلومات بدرجة الحد الأقصى في خدمة سحابية للتطوير، عُولجت تلقائياً في البنية السحابية المعرّف : CVE-2026-42826 درجة الخطورة : 10.0 (CVSS) - Critical المنتج المتأثر : Azure DevOps الحل : Mitigated server-side, no action needed #CVE #Azure #CloudSecurity
Post summary
CVE-2026-42826 is an information disclosure vulnerability in Azure DevOps, rated 10.0 CVSS and already mitigated server‑side; no further action is required.
01000154
40.0K followersView on X
كاسبر سكاي@KasperskyDev144d
Disclosure
CVE-2026-42826 في Azure DevOps يحصل على CVSS 10.0 وهو أعلى تقييم ممكن في منظومة CVSS.
Post summary
The text announces CVE-2026-42826 for Azure DevOps, noting its severe CVSS rating of 10.0, without mentioning PoC, exploit, patch, or active exploitation details.
10000139
40.0K followersView on X
Lyrie.ai@lyrie_ai148d
General
--- Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation. CVE: CVE-2026-42826 CVSS: 10 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Severity: CRITICAL Status: Critical advisory
Post summary
The text announces CVE-2026-42826 as a critical vulnerability with a CVSS score of 10, but provides no PoC, exploit code, active exploitation evidence, or mitigation advice.
1000042
210 followersView on X
Lyrie.ai@lyrie_ai148d
Disclosure
CVE: CVE-2026-42826 CVSS: 10 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Severity: CRITICAL Status: Critical advisory Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose information over a…
Post summary
A newly disclosed Azure DevOps information disclosure vulnerability (CVE-2026-42826) has a CVSS 10 score and is classified as critical, but no PoC, exploit, patch, or active exploitation details are included.
1000062
210 followersView on X
Lyrie.ai@lyrie_ai148d
Disclosure
CRITICAL: CVE-2026-42826 (CVSS 10) — multiple products. CVE: CVE-2026-42826 CVSS: 10 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Severity: CRITICAL Status: Critical advisory
Post summary
The text announces CVE‑2026‑42826 as a critical vulnerability (CVSS 10) affecting multiple products, with no additional technical or mitigation details.
1000040
210 followersView on X
kawn@kawn2020149d
General
#windowsupdate #microsoft つづき・CVE-2026-41096　9.8　Microsoft Windows DNS ・CVE-2026-42823　9.9　Azure Logic Apps ・CVE-2026-42826　10　 Azure DevOps ・CVE-2026-42898　9.9　Microsoft Dynamics 365 (オンプレミス)
Post summary
The post simply lists several newly disclosed Microsoft CVEs with their CVSS scores, without providing additional context or actionable information.
10000172
85 followersView on X
kawn@kawn2020149d
General
#windowsupdate #microsoft つづき・CVE-2026-34327　8.2　Microsoft パートナーセンター・CVE-2026-35428　9.6　Azure Cloud Shell ・CVE-2026-40379　9.3　Azure Entra ID ・CVE-2026-41105　8.1　Azure 通知サービス・CVE-2026-42826　10 　Azure DevOps
Post summary
The post lists six Microsoft Azure CVE identifiers along with their severity scores and affected services, but contains no information about exploits, patches, or detailed technical claims.
10000111
85 followersView on X
Orizon@OrizonCyber154d
Patch
🚨 CVE-2026-42826 — CVSS 10/10 ██████████ Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose... Severity: CRITICAL Patch now. #cybersecurity #CVE https://t.co/rrpqNHRCRg
Post summary
The tweet announces a critical Azure DevOps vulnerability (CVE‑2026‑42826) with a CVSS score of 10/10 that exposes sensitive data, and it urges users to apply a patch.
1000080
29 followersView on X
Wijdan | وجـدان@wijdan2_0122d
Active Exploitation
1- ثغرة بالو ألتو (CVE-2026-0300) • الخطورة: CVSS 9.3 (حرجة جداً) • النوع: Unauthenticated Root RCE • الوضع: تحت الاستغلال الفعلي حالياً من قِبل مجموعات هاكرز متطورة ترعاها دول (CL-STA-1132). • الأثر: اختراق كامل لجدار الحماية المحيط بالشبكة، وتتيح للمهاجم مسح السجلات (Logs) وبناء أنفاق سرية للتحرك داخلياً. 2- ثغرة بريد مايكروسوفت (CVE-2026-42897) • النوع: OWA XSS Zero-Day • الوضع: أضيفت فوراً لكتالوج CISA KEV للثغرات المستغلة. • الأثر: بمجرد فتح إيميل مفخخ عبر الويب، يتم سرقة ملفات تعريف الارتباط والاستيلاء على الجلسة (Session Hijacking) والوصول لصندوق البريد بالكامل، وهي مدخل تقليدي لهجمات الفدية. 3- ثغرة Azure DevOps (CVE-2026-42826) • الخطورة: CVSS 10.0 (الحد الأقصى) • الأثر: تسريب معلومات وبيانات حساسة. خطورتها تكمن في مكانها؛ حيث تهدد سلاسل التوريد البرمجية (Software Supply Chain) عبر كشف مفاتيح السحابة (Cloud Tokens) ورموز الـ CI/CD. 4- وثغرتي الـ Android و NGINX: • Android (CVE-2026-0073): ثغرة RCE تؤكد أن هواتف الموظفين (BYOD) هي الحلقة الأضعف لتجاوز التحقق الثنائي (MFA). • "NGINX Rift" (CVE-2026-42945): ثغرة تجاوز سعة الذاكرة (Heap Buffer Overflow) ظلت مخفية منذ 2008 تهدد خوادم الويب وبيئات الـ Kubernetes. 💡 ماذا يجب على فرق الدفاع (Blue Teams) فعله؟ 1.تصحيح الأنظمة الحرجة فوراً وتطبيق العزل (Segmentation). 2.مراقبة الـ Logs للبحث عن مؤشرات الاختراق (IoCs) مثل أدوات الأنفاق: EarthWorm و ReverseSocks5. #الأمن_السيبراني #ThreatIntelligence #BlueTeam
Post summary
The post enumerates multiple critical vulnerabilities that are actively exploited by advanced threat actors, urging immediate patching and monitoring.
00000221
696 followersView on X
IntegSec@integ_sec144d
General
CVE-2026-42826: Azure DevOps Information Disclosure Vulnerability - What It Means for Your Business and How to Respond https://hubs.li/Q04gVfdJ0
Post summary
The text announces CVE-2026-42826 as an information disclosure issue and directs readers to a response guide, but lacks explicit details on PoC, exploits, or patches.
0000036
31 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	azure_devops	-	-	-

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What researchers are saying

CVE-2026-42826

Upwind Security MDR[verified]@UpwindMDRDisclosure

The message announces the Azure DevOps CVE-2026-42826 vulnerability, detailing its high CVSS score, information disclosure nature, and potential for attackers to access internal network data.