Detections
Analytics

CVE-2025-49704

high

Description

Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49704

https://www.darkreading.com/vulnerabilities-threats/warlock-ransomware-targets-vulnerable-sharepoint-servers

https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/echoes-in-the-shell-legacy-tooling-behind-ongoing-sharepoint-toolshell-exploitation/

https://www.theregister.com/2025/08/07/cisa_releases_malware_analysis/

https://www.bleepingcomputer.com/news/security/ransomware-gangs-join-attacks-targeting-microsoft-sharepoint-servers/

https://thehackernews.com/2025/08/storm-2603-exploits-sharepoint-flaws-to.html

https://unit42.paloaltonetworks.com/microsoft-sharepoint-cve-2025-49704-cve-2025-49706-cve-2025-53770/

https://securelist.com/toolshell-explained/117045/

https://www.welivesecurity.com/en/eset-research/toolshell-an-all-you-can-eat-buffet-for-threat-actors/

https://www.theregister.com/2025/07/24/microsoft_sharepoint_ransomware/

https://www.securityweek.com/toolshell-attacks-hit-400-sharepoint-servers-us-government-victims-named/

https://www.helpnetsecurity.com/2025/07/24/storm-2603-spotted-deploying-ransomware-on-exploited-sharepoint-servers/

https://www.darkreading.com/endpoint-security/ransomware-actors-toolshell-sharepoint-bugs

https://www.bleepingcomputer.com/news/security/microsoft-sharepoint-servers-also-targeted-in-ransomware-attacks/

https://thehackernews.com/2025/07/storm-2603-exploits-sharepoint-flaws-to.html

https://cyberscoop.com/microsoft-sharepoint-attacks-400-victims-us-agencies/

https://arstechnica.com/security/2025/07/what-to-know-about-toolshell-the-sharepoint-threat-under-mass-exploitation/

https://www.securityweek.com/toolshell-zero-day-attacks-on-sharepoint-first-wave-linked-to-china-hit-high-value-targets/

https://www.securityweek.com/microsoft-says-chinese-apts-exploited-toolshell-zero-days-weeks-before-patch/

https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/

https://www.helpnetsecurity.com/2025/07/22/microsoft-pins-sharepoint-attacks-cve-2025-53770/

https://www.databreachtoday.com/microsoft-traces-on-premises-sharepoint-exploits-to-china-a-29029

https://www.darkreading.com/application-security/3-china-nation-state-actors-sharepoint-bugs

https://www.cisa.gov/news-events/alerts/2025/07/22/cisa-adds-two-known-exploited-vulnerabilities-catalog

https://www.bleepingcomputer.com/news/security/microsoft-sharepoint-toolshell-attacks-linked-to-chinese-hackers/

https://therecord.media/microsoft-sharepoint-vulnerabilities-china-groups-exploiting

https://thehackernews.com/2025/07/microsoft-links-ongoing-sharepoint.html

https://thehackernews.com/2025/07/hackers-exploit-sharepoint-zero-day.html

https://thehackernews.com/2025/07/cisa-orders-urgent-patching-after.html

https://hackread.com/microsoft-chinese-state-hackers-exploit-sharepoint-flaws/

https://cyberscoop.com/microsoft-patch-tuesday-august-2025/

https://securityaffairs.com/180252/hacking/sharepoint-under-fire-new-toolshell-attacks-target-enterprises.html

https://www.security.com/threat-intelligence/toolshell-zero-day-sharepoint-cve-2025-53770

https://www.hipaajournal.com/microsof-emergency-patches-sharepoint-server-vulnerabilities/

https://www.databreachtoday.com/attackers-exploit-zero-day-flaws-in-on-premises-sharepoint-a-29018

https://www.darkreading.com/remote-workforce/microsoft-rushes-emergency-fix-exploited-sharepoint-toolshell-flaw

https://securityaffairs.com/180211/hacking/u-s-cisa-urges-to-immediately-patch-microsoft-sharepoint-flaw-adding-it-to-its-known-exploited-vulnerabilities-catalog.html

https://krebsonsecurity.com/2025/07/microsoft-fix-targets-attacks-on-sharepoint-zero-day/

https://blog.talosintelligence.com/toolshell-affecting-sharepoint-servers/

https://arstechnica.com/security/2025/07/sharepoint-vulnerability-with-9-8-severity-rating-is-under-exploit-across-the-globe/

https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-exploited-in-rce-attacks-no-patch-available/

https://thehackernews.com/2025/07/microsoft-releases-urgent-patch-for.html

https://thehackernews.com/2025/07/critical-microsoft-sharepoint-flaw.html

https://isc.sans.edu/diary/rss/32122

https://research.eye.security/sharepoint-under-siege/

https://www.helpnetsecurity.com/2025/07/09/microsoft-fixes-critical-wormable-windows-flaw-cve-2025-47981/

https://www.securityweek.com/microsoft-patches-130-vulnerabilities-for-july-2025-patch-tuesday/

https://www.tenable.com/blog/cve-2025-53770-frequently-asked-questions-about-zero-day-sharepoint-vulnerability-exploitation

https://www.tenable.com/blog/microsofts-july-2025-patch-tuesday-addresses-128-cves-cve-2025-49719

Details

Source: Mitre, NVD

Published: 2025-07-08

Updated: 2025-07-30

Named Vulnerability: ToolShellKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.62445

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Concern