Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
CVE-2025-49706
Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-07-22), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 6.5 retained for reference. Confidence: HIGH.
- Actively exploited in the wild (CISA-KEV)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 9.0(high)
- EG Risk
- 81(Attend)EG Risk 81/100SSVC: Attend
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity90% × 45%Exploitation100% × 40%Automatability0% × 15%Action: Remediate soon — notable exploitation risk. - EPSS PROB
- 100%
- EPSS %ILE
- 100%
- KEV
- ⚠ Exploited
Published
July 8, 2025
Last Modified
October 27, 2025
Advisory Details (3)
Auto-updated Jun 12, 2026Disrupting active exploitation of on-premises SharePoint vulnerabilities | Microsoft Security Blog
https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/Known Exploited Vulnerabilities Catalog | CISA
Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706Security Update Guide - Microsoft Security Response Center
Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 65× in last 7d / 315× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 680 total refreshes for this CVE.
- 2026-07-31 07:24 UTCVendor advisory
- 2026-07-31 07:24 UTCGHSA enrichment
- 2026-07-31 03:04 UTCVendor advisory
- 2026-07-31 03:04 UTCGHSA enrichment
- 2026-07-30 22:44 UTCGHSA enrichment
- 2026-07-30 18:25 UTCVendor advisory
- 2026-07-30 18:25 UTCGHSA enrichment
- 2026-07-30 14:05 UTCVendor advisory
- 2026-07-30 14:05 UTCGHSA enrichment
- 2026-07-30 09:44 UTCEG score recompute
- 2026-07-30 09:44 UTCVendor advisory
- 2026-07-30 09:44 UTCGHSA enrichment
- 2026-07-30 05:25 UTCVendor advisory
- 2026-07-30 05:24 UTCGHSA enrichment
- 2026-07-30 01:03 UTCVendor advisory
- 2026-07-30 01:03 UTCGHSA enrichment
- 2026-07-29 20:40 UTCVendor advisory
- 2026-07-29 20:40 UTCGHSA enrichment
- 2026-07-29 19:27 UTCCISA KEV update
- 2026-07-29 16:21 UTCVendor advisory
- 2026-07-29 16:21 UTCGHSA enrichment
- 2026-07-29 12:02 UTCVendor advisory
- 2026-07-29 12:02 UTCGHSA enrichment
- 2026-07-29 07:43 UTCVendor advisory
- 2026-07-29 07:42 UTCGHSA enrichment
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- 2026-07-29 03:23 UTCVendor advisory
- 2026-07-29 03:23 UTCGHSA enrichment
- 2026-07-28 23:04 UTCVendor advisory
- 2026-07-28 23:04 UTCGHSA enrichment
- 2026-07-28 18:44 UTCVendor advisory
- 2026-07-28 18:44 UTCGHSA enrichment
- 2026-07-28 14:22 UTCVendor advisory
- 2026-07-28 14:21 UTCGHSA enrichment
- 2026-07-28 10:02 UTCVendor advisory
- 2026-07-28 10:01 UTCGHSA enrichment
- 2026-07-28 05:41 UTCVendor advisory
- 2026-07-28 05:41 UTCGHSA enrichment
- 2026-07-28 01:22 UTCVendor advisory
- 2026-07-28 01:22 UTCGHSA enrichment
- 2026-07-27 21:03 UTCVendor advisory
- 2026-07-27 21:02 UTCGHSA enrichment
- 2026-07-27 19:24 UTCCISA KEV update
- 2026-07-27 17:17 UTCCISA KEV update
- 2026-07-27 16:43 UTCVendor advisory
- 2026-07-27 16:42 UTCGHSA enrichment
- 2026-07-27 12:22 UTCGHSA enrichment
- 2026-07-27 08:02 UTCVendor advisory
- 2026-07-27 08:02 UTCGHSA enrichment
- 2026-07-27 03:43 UTCVendor advisory
- 2026-07-27 03:43 UTCGHSA enrichment
- 2026-07-26 23:24 UTCVendor advisory
- 2026-07-26 23:24 UTCGHSA enrichment
- 2026-07-26 19:05 UTCEG score recompute
- 2026-07-26 19:05 UTCVendor advisory
- 2026-07-26 19:05 UTCGHSA enrichment
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 14:46 UTCEG score recompute
- 2026-07-26 14:46 UTCVendor advisory
- 2026-07-26 14:46 UTCGHSA enrichment
- 2026-07-26 10:26 UTCVendor advisory
- 2026-07-26 10:25 UTCGHSA enrichment
- 2026-07-26 06:06 UTCVendor advisory
- 2026-07-26 06:06 UTCGHSA enrichment
- 2026-07-26 01:46 UTCVendor advisory
- 2026-07-26 01:46 UTCGHSA enrichment
- 2026-07-23 02:57 UTCEG score recompute
- 2026-07-22 21:37 UTCEG score recompute
- 2026-07-22 21:37 UTCVendor advisory
- 2026-07-22 21:37 UTCGHSA enrichment
- 2026-07-22 19:40 UTCCISA KEV update
- 2026-07-22 17:07 UTCVendor advisory
- 2026-07-22 17:07 UTCGHSA enrichment
- 2026-07-22 12:47 UTCVendor advisory
- 2026-07-22 12:47 UTCGHSA enrichment
- 2026-07-22 08:28 UTCVendor advisory
- 2026-07-22 08:28 UTCGHSA enrichment
- 2026-07-22 04:08 UTCVendor advisory
- 2026-07-22 04:08 UTCGHSA enrichment
- 2026-07-21 23:49 UTCVendor advisory
- 2026-07-21 23:49 UTCGHSA enrichment
- 2026-07-21 19:29 UTCVendor advisory
- 2026-07-21 19:29 UTCGHSA enrichment
- 2026-07-21 15:08 UTCVendor advisory
- 2026-07-21 15:08 UTCGHSA enrichment
- 2026-07-21 14:37 UTCCISA KEV update
- 2026-07-21 10:49 UTCVendor advisory
- 2026-07-21 10:48 UTCGHSA enrichment
- 2026-07-21 06:29 UTCVendor advisory
- 2026-07-21 06:28 UTCGHSA enrichment
- 2026-07-21 02:09 UTCVendor advisory
- 2026-07-21 02:08 UTCGHSA enrichment
- 2026-07-20 21:49 UTCVendor advisory
- 2026-07-20 21:48 UTCGHSA enrichment
- 2026-07-20 17:29 UTCVendor advisory
- 2026-07-20 17:29 UTCGHSA enrichment
- 2026-07-20 13:10 UTCGHSA enrichment
- 2026-07-20 08:50 UTCVendor advisory
- 2026-07-20 08:50 UTCGHSA enrichment
- 2026-07-20 04:31 UTCVendor advisory
- 2026-07-20 04:31 UTCGHSA enrichment
Publicly available exploits
(3 references)Working exploit code is in the public domain (1 Metasploit module) (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCAdityaBhatt3010/CVE-2025-49706-SharePoint-Spoofing-Vulnerability-Under-Active-ExploitationFirst seen Jul 20, 2025
A deep dive into CVE-2025-49706 — the SharePoint spoofing flaw now exploited in the wild for stealthy web shell deployment and privilege escalation.
Open source ↗ - Metasploitexploit/windows/http/sharepoint_toolpane_rce✓ verifiedFirst seen Jul 8, 2025
Microsoft SharePoint Server ToolPane Unauthenticated Remote Code Execution (aka ToolShell)
Open source ↗ - Nucleihttp/cves/2025/CVE-2025-49706.yamlFirst seen Jan 1, 2025
Microsoft SharePoint Server - Authentication Bypass
Open source ↗
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10 shownmsrc
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10 shownCWE-287
Frequently asked(6)
What is CVE-2025-49706?
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Is CVE-2025-49706 actively exploited?
What is the CVSS score of CVE-2025-49706?
Which products are affected by CVE-2025-49706?
How do I remediate CVE-2025-49706?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-49706
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