CVE-2025-21298

criticalpriority · track · 36EPSS 0.744 · 99 %ileexploit · PoCDEEUNLRUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
6 exploits · PoC
Likely / severe?
74.4% (99th) EPSS
CVSS 9.8 · critical
Is it mine?
185 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

Windows OLE Remote Code Execution Vulnerability

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 3.9 · impact 5.9
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · NCSC-NL NL
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

exploits (6)

Public proof-of-concept and weaponised exploit code.

06

affected products (185)

Products and version ranges known to be affected.

showing 20 of 185
07

advisories (3)

Vendor and ecosystem advisories describing this.

  • NCSC-2025-0010Kwetsbaarheden verholpen in Microsoft WindowsNL2025-01-14csaf · ncsc_nlNL

    Microsoft heeft kwetsbaarheden verholpen in Windows.

  • WID-SEC-W-2025-0091Microsoft Windows: Mehrere SchwachstellenDeutsch2025-01-14csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows und Microsoft Windows Server ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, einen Spoofing-Angriff durchzuführen, vertrauliche Informationen preiszugeben und einen Denial-of-Service-Zustand zu erzeugen.

  • msrc_CVE-2025-21298Windows OLE Remote Code Execution Vulnerability2025-01-14csaf · msrc_csafUS

    To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

08

also known as (4)

Other names and identifiers for this entity.

09

sources

Which sources assert this record, and when.

10

references (4)

External citations — patches, advisories, analysis.

scry

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