CVE-2026-21515Disclosure(microsoft / azure_iot_central)

LOWCVSS 9.9 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch microsoft azure_iot_central systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Exposure of sensitive information to an unauthorized actor in Azure IOT Central allows an authorized attacker to elevate privileges 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-2026-21515

Weakness type (CWE)

CWE-200

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.

azure_iot_central

Threat summary

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

What's happening

Patch or workaround mentioned in 2 signals
Technical details provided in 6 signals
Disclosure: 3 classified signals
General: 3 classified signals
Peaked 3d ago at 4 mentions (2026-04-24); latest day: 1
8 total mentions across 4 days

Affected systems

Vendors

microsoft

Products

azure_iot_central

1 version affected across 1 product

Deep dive

Activity timeline8 mentions / 4d

Signal classification3 categories

Disclosure

337.5%

General

337.5%

Patch

225.0%

Referenced assets7 URLs

By indicator

Classification over time

Date	Total	Labels

2026-04-24	4	Disclosure2General1Patch1
2026-04-25	1	General1
2026-04-27	2	Disclosure1General1
2026-04-28	1	Patch1

Full discourse8 posts

Vulmon Vulnerability Feed@VulmonFeeds169d
Disclosure
CVE-2026-21515 Privilege Escalation in Azure IoT Central via Sensitive Information Exposure https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-21515
Post summary
The post announces CVE‑2026‑21515, a privilege escalation flaw in Azure IoT Central caused by sensitive information exposure, with no further details on PoC, exploit code, patch, or active exploitation.
00120348
4.1K followersView on X
kawn@kawn2020166d
Disclosure
#securityupdate #microsoft #定例外 2026. 4.23 Azure IoT Central の特権昇格の脆弱性 CVE-2026-21515 Security Vulnerability リリース日: - マイクロソフト https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21515
Post summary
Microsoft disclosed a security update for Azure IoT Central addressing CVE-2026-21515, a privilege‑escalation issue, without mentioning active exploitation or PoC details.
10100133
85 followersView on X
kawn@kawn2020166d
General
#securityupdate #microsoft #定例外 CVE-2026-21515 Security Vulnerability 影響: 特権の昇格最大深刻度: 緊急 CVSS:3.1 9.9 / 8.6 悪用可能性・一般に公開: No ・悪用: No ・Exploitability assessment: 対象外 https://x.com/kawn2020/status/2048669361817407802
Post summary
The tweet offers a succinct security update for CVE‑2026‑21515, detailing its privilege‑escalation nature, severity metrics, and that it is not currently exploited, without mentioning PoCs, exploits, patches, or false‑positive claims.
1000069
85 followersView on X
Orizon@OrizonCyber169d
Patch
🚨 CVE-2026-21515 — CVSS 9.9/10 ██████████ Exposure of sensitive information to an unauthorized actor in Azure IOT Central allows an authorized attacker to... Severity: CRITICAL Patch now. #cybersecurity #CVE https://t.co/bO9EFGpbmo
Post summary
The tweet announces CVE‑2026‑21515, a critical Azure IoT Central vulnerability exposing sensitive data, and urges users to apply the available patch.
1000075
28 followersView on X
cybersecuritypath@cybrsecpath165d
Patch
CVE-2026-21515: Critical Azure IoT Central Privilege Flaw Fixed https://thecybrdef.com/cve-2026-21515-azure-iot-central-privilege-escalation/ #CVE202621515 #AzureSecurity #CyberSecurity
Post summary
The text announces that CVE‑2026‑21515, a critical privilege escalation flaw in Azure IoT Central, has been fixed, but provides no exploit, PoC, or evidence of active exploitation.
0000049
7 followersView on X
CVE@CVEnew168d
General
CVE-2026-21515 Exposure of sensitive information to an unauthorized actor in Azure IOT Central allows an authorized attacker to elevate privileges over a network. https://www.cve.org/CVERecord?id=CVE-2026-21515
Post summary
The post provides a concise description of CVE‑2026‑21515 but lacks any PoC, exploit details, evidence of active exploitation, or mitigation advice.
0000079
57.2K followersView on X
Aakash Rahsi@rahsi_aaka169d
Disclosure
CVE-2026-21515 | Azure IoT Central Elevation of Privilege Vulnerability https://www.aakashrahsi.online/post/cve-2026-21515 https://t.co/Qec24SblFV
Post summary
The post announces CVE‑2026‑21515, an elevation‑of‑privilege flaw in Azure IoT Central, without providing PoC, exploit code, or mitigation information.
0000040
1 followersView on X
WindowsForum@windowsforum169d
General
🪟 CVE-2026-21515 in Azure IoT Central is basically Microsoft whispering “we’re pretty sure this works” — meaning attackers won’t need guesswork. IoT security drama, upgraded. https://windowsforum.com/threads/cve-2026-21515-azure-iot-central-eop-why-microsoft-confidence-matters.414956/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #CloudSecurity #ElevationOfPrivilege #AzureIotCentral #Cve202621515 https://t.co/ia9w9UgFpB
Post summary
The tweet signals Microsoft’s confidence in CVE‑2026‑21515 on Azure IoT Central, but offers no proof‑of‑concept, technical details, or evidence of exploitation or mitigation.
0000070
1.1K 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_iot_central	-	-	-

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Back to dashboard microsoft CVEs azure_iot_central vulnerabilities

What researchers are saying

CVE-2026-21515

Orizon[verified]@OrizonCyberPatch

The tweet announces CVE‑2026‑21515, a critical Azure IoT Central vulnerability exposing sensitive data, and urges users to apply the available patch.

WindowsForum[verified]@windowsforumGeneral

The tweet signals Microsoft’s confidence in CVE‑2026‑21515 on Azure IoT Central, but offers no proof‑of‑concept, technical details, or evidence of exploitation or mitigation.

Vulmon Vulnerability Feed@VulmonFeedsDisclosure

The post announces CVE‑2026‑21515, a privilege escalation flaw in Azure IoT Central caused by sensitive information exposure, with no further details on PoC, exploit code, patch, or active exploitation.

kawn@kawn2020Disclosure

Microsoft disclosed a security update for Azure IoT Central addressing CVE-2026-21515, a privilege‑escalation issue, without mentioning active exploitation or PoC details.

kawn@kawn2020General

The tweet offers a succinct security update for CVE‑2026‑21515, detailing its privilege‑escalation nature, severity metrics, and that it is not currently exploited, without mentioning PoCs, exploits, patches, or false‑positive claims.

cybersecuritypath@cybrsecpathPatch

The text announces that CVE‑2026‑21515, a critical privilege escalation flaw in Azure IoT Central, has been fixed, but provides no exploit, PoC, or evidence of active exploitation.

CVE@CVEnewGeneral

The post provides a concise description of CVE‑2026‑21515 but lacks any PoC, exploit details, evidence of active exploitation, or mitigation advice.

Aakash Rahsi@rahsi_aakaDisclosure

The post announces CVE‑2026‑21515, an elevation‑of‑privilege flaw in Azure IoT Central, without providing PoC, exploit code, or mitigation information.