Type Vulnerability
29, 2026, Ivanti updated its security advisory for Ivanti Connect Secure (ICS) to include two additional vulnerabilities and released fixes for both. Known-exploited catalogue reports exploitation in the wild.
Ivanti · Auth bypass
Microsoft Windows Command Injection Vulnerability
CVE-2026-96951
What this means
This is rated high severity (8.8 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Microsoft Outlook Web, Microsoft Windows 10 1607 and Microsoft Windows 10 1809, and 12 more are in your estate, and treat that as the priority.
Full vendor description
Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
Scoring and exploitation
8.8/ 10
CVSS 3.1 base scoreHigh
Exploitable over the network without any account, but only if a user takes an action, such as opening a file or link. High impact on confidentiality, integrity and availability.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityLowAC:L
Privileges requiredNonePR:N
User interactionRequiredUI:R
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
- Elevated attack likelihood (~9.8% in 30 days)Model estimate (): a probability signal, not confirmed exploitation
- Exploited in the wild
- Yes — confirmed exploitation (US CISA )
- Not reported
- Listed product
- Microsoft Windows
Weaknesses
CWE-77
Affected products ()
- Microsoft Outlook Web
- Microsoft Windows 10 1607
- Microsoft Windows 10 1809
- Microsoft Windows 10 21h2
- Microsoft Windows 10 22h2
- Microsoft Windows 11 23h2
- Microsoft Windows 11 24h2
- Microsoft Windows 11 25h2
- Microsoft Windows 11 26h1
- Microsoft Windows 11 26h2
- Microsoft Windows Server 2012
- Microsoft Windows Server 2016
- Microsoft Windows Server 2019
- Microsoft Windows Server 2022
- Microsoft Windows Server 2025
Show the raw CPE strings (26)
- cpe:2.3:a:microsoft:outlook_web:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:arm64:*
- cpe:2.3:o:microsoft:windows_11_26h2:*:*:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Showing 25 of 26 matches from .
References
2 links from the CVE record, grouped by site; the vendor's advisory comes first.
msrc.microsoft.com1 linkVendor advisory
- CVE-2026-96951 (opens in a new tab)Patch · Vendor Advisory
cisa.gov1 link
- known-exploited-vulnerabilities-catalog (opens in a new tab)US Government Resource
Related feed events
- Type Vulnerability
Microsoft is publishing 1,413 own-product vulnerabilities on October 2026 Patch Tuesday, including 1,102 in Windows. Known-exploited catalogue reports exploitation in the wild.