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CVE-2025-49704

HIGH 8.8 KNOWN EXPLOITED RANSOMWARE PoC CATALOGUED ALL-YEARS

Published 2025-07-08 · Last modified 2026-02-13 · microsoft · NVD: Analyzed

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

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2025-07-22, linked to ransomware campaigns. Patch or mitigate now.

Exploitation likelihood

100.0%chance of exploitation in 30 days · 100th percentile

● In CISA KEV (2025-07-22)● Catalogued PoC◆ SSVC: exploitation active, automatable no

Impact if exploited

8.8CVSS 3.1 · HIGH · CNA

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ⚠Privileges: Requires a low-privilege account
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

Public PoC or exploit resources are catalogued below.

Listed by the named source; Vulnpedia has not tested these resources.

PoC data: JSON

Resource commands

curl -s https://vulnpedia.com/cve/CVE-2025-49704/poc.jsonMachine-readable PoC index for this CVE (for automation).

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Data snapshot:

Affected

Vendors Microsoft

Products Microsoft Sharepoint Enterprise Server 2016 Microsoft Sharepoint Server 2019 Sharepoint Server

Weakness (CWE)

  • CWE-94: : Improper Control of Generation of Code ('Code Injection')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References and research data (JSON)

Additional exploitation reports

Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.

62 more source reports

Known Affected Software Configurations

VendorProductVersion range
MicrosoftSharepoint Server2016
MicrosoftSharepoint Server2019

All CVSS metrics

  • HIGH 8.8 v3.1 · CNA Primary
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
  • HIGH 8.8 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Patches & mitigations

Advisories

Technical & other

Sources: NVD · CVE.org · All sources and attribution · EPSS