CVE-2026-63512General(microsoft / sharepoint_server)

LOWCVSS 6.5 · MEDIUM

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

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network.

microsoft CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Patch / fix

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63512

Weakness type (CWE)

CWE-863

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

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

sharepoint_server

Threat summary

1 mentions across 1 observed day

What's happening

General: 1 classified signal
1 total mentions across 1 day

Affected systems

Vendors

microsoft

Products

sharepoint_server

2 versions affected across 1 product

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

General

1100.0%

Referenced assets1 URL

By indicator

https://windowsforum.com/security-alerts.84/cve-2026-63512-sharepoint-tampering-no-fix-details-yet.442483/?utm_source=x&utm_medium=social&utm_campaign=news_node84

Full discourse1 post

Windows Forum@windowsforum46d
General
🚨 Microsoft logged another SharePoint tampering flaw, but left admins without versions, CVSS, prerequisites—or a fix. Nothing says “patch Tuesday” like missing instructions. https://windowsforum.com/security-alerts.84/cve-2026-63512-sharepoint-tampering-no-fix-details-yet.442483/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #MicrosoftSecurity #VulnerabilityManagement #SharepointServer #Cve202663512 https://t.co/JhwYTfq5Ky
Post summary
The post announces a Microsoft SharePoint tampering vulnerability but provides no PoC, exploit details, patch information, or technical specifics—only a notice that instructions are missing.
0000048
1.3K followersView on X

CPE platform detail3 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

3 of 3 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	microsoft	sharepoint_server	-	-	-
App	microsoft	sharepoint_server	2016	-	-
App	microsoft	sharepoint_server	2019	-	-

Explore more

Back to dashboard microsoft CVEs sharepoint_server vulnerabilities