CVE-2026-21532Disclosure(microsoft / azure_functions)

LOWCVSS 8.2 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Azure Function Information Disclosure Vulnerability

microsoft CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21532

Weakness type (CWE)

CWE-200

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

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

azure_functions

Threat summary

5 mentions across 3 observed days
Momentum state: stable

What's happening

Technical details provided in 5 signals
Disclosure: 3 classified signals
General: 2 classified signals
Peaked 2d ago at 2 mentions (2026-02-05); latest day: 1
5 total mentions across 3 days

Affected systems

Vendors

microsoft

Products

azure_functions

1 version affected across 1 product

Deep dive

Activity timeline5 mentions / 3d

Signal classification2 categories

Disclosure

360.0%

General

240.0%

Referenced assets4 URLs

By indicator

Classification over time

Date	Total	Labels

2026-02-05	2	Disclosure1General1
2026-02-06	2	Disclosure2
2026-06-17	1	General1

Full discourse5 posts

Henrique Pereira@ikkebr115d
General
Earlier this year I set a goal to end the year with a couple CVEs to my name. So far, the year is going great: - CVE-2026-48579 (9.1 on MS Exchange) - CVE-2026-33102 (9.3 on M365 Copilot) - CVE-2026-21532 (8.2 on Azure Functions) - CVE-2026-44848 (9.4 on Portainer) - CVE-2026-55092 (8.0 on Trivy) Plus a plethora of other vulns I reported and got fixed without CVEs…
Post summary
The user enumerates several CVEs they have discovered along with severity scores, but provides no exploitation details, patches, or additional technical context.
0202242.0K
965 followersView on X
kawn@kawn2020246d
Disclosure
#securityupdate #microsoft #定例外 2026. 2. 5 Azure Function Information Disclosure Vulnerability CVE-2026-21532 Security Vulnerability リリース日: Feb 5, 2026 - マイクロソフト https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21532
Post summary
A new Azure Function information‑disclosure vulnerability (CVE‑2026‑21532) has been announced by Microsoft with a link to the vendor advisory, but no exploit, PoC, or patch details are provided in the post.
10100145
89 followersView on X
kawn@kawn2020246d
Disclosure
#securityupdate #microsoft #定例外 CVE-2026-21532 Security Vulnerability 影響: 情報漏えい最大深刻度: 緊急 CVSS:3.1 8.2 / 7.1 悪用可能性・一般に公開: No ・悪用: No ・Exploitability assessment: 対象外 https://x.com/kawn2020/status/2019667683894309157
Post summary
The tweet announces a Microsoft vulnerability (CVE‑2026‑21532) with information‑leak severity, confirms no public exploitation or PoC, and does not provide a patch.
1000059
89 followersView on X
CVE@CVEnew246d
General
CVE-2026-21532 Azure Function Information Disclosure Vulnerability https://www.cve.org/CVERecord?id=CVE-2026-21532
Post summary
The text references CVE-2026-21532, labeling it as an Azure Function information disclosure vulnerability, but offers no additional details about exploitation, patching, or active attacks.
00010231
56.5K followersView on X
The Hacker Wire@TheHackerWire246d
Disclosure
🟠 CVE-2026-21532 - High Azure Function Information Disclosure Vulnerability https://www.thehackerwire.com/vulnerability/CVE-2026-21532/ https://t.co/wgTo4uLuyK
Post summary
The tweet announces CVE-2026-21532, an Azure Functions information disclosure vulnerability rated High, with no PoC, exploit, or patch details disclosed.
00000114
113 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_functions	-	-	-

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What researchers are saying

CVE-2026-21532

Henrique Pereira[verified]@ikkebrGeneral

The user enumerates several CVEs they have discovered along with severity scores, but provides no exploitation details, patches, or additional technical context.

kawn@kawn2020Disclosure

A new Azure Function information‑disclosure vulnerability (CVE‑2026‑21532) has been announced by Microsoft with a link to the vendor advisory, but no exploit, PoC, or patch details are provided in the post.

kawn@kawn2020Disclosure

The tweet announces a Microsoft vulnerability (CVE‑2026‑21532) with information‑leak severity, confirms no public exploitation or PoC, and does not provide a patch.

CVE@CVEnewGeneral

The text references CVE-2026-21532, labeling it as an Azure Function information disclosure vulnerability, but offers no additional details about exploitation, patching, or active attacks.

The Hacker Wire@TheHackerWireDisclosure

The tweet announces CVE-2026-21532, an Azure Functions information disclosure vulnerability rated High, with no PoC, exploit, or patch details disclosed.