Windows 11 26h1
by Microsoft
CVEs (334)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-25180 | Med | 0.36 | 5.5 | 0.01 | Mar 10, 2026 | Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose information locally. | ||
| CVE-2026-45595 | Med | 0.35 | 5.4 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature over a network. | ||
| CVE-2026-35423 | Med | 0.35 | 5.4 | 0.01 | May 12, 2026 | Out-of-bounds read in Telnet Client allows an unauthorized attacker to disclose information over a network. | ||
| CVE-2026-45655 | Med | 0.34 | 5.3 | 0.00 | Jun 9, 2026 | Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack. | ||
| CVE-2026-42914 | Med | 0.34 | 5.3 | 0.01 | Jun 9, 2026 | Windows Kerberos Denial of Service Vulnerability | ||
| CVE-2026-33829 | Med | 0.31 | 4.3 | 0.03 | Apr 14, 2026 | Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network. | ||
| CVE-2026-26175 | Med | 0.30 | 4.6 | 0.00 | Apr 14, 2026 | Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack. | ||
| CVE-2026-20928 | Med | 0.30 | 4.6 | 0.00 | Apr 14, 2026 | Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack. | ||
| CVE-2026-32209 | Med | 0.29 | 4.4 | 0.00 | May 12, 2026 | Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-32220 | Med | 0.29 | 4.4 | 0.00 | Apr 14, 2026 | Improper access control in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-27906 | Med | 0.29 | 4.4 | 0.00 | Apr 14, 2026 | Improper input validation in Windows Hello allows an authorized attacker to bypass a security feature locally. | ||
| CVE-2026-45642 | Low | 0.25 | 3.9 | 0.00 | Jun 9, 2026 | Improper input validation in Microsoft Azure Attestation service and Device Health Attestation Service allows an authorized attacker to perform spoofing with a physical attack. | ||
| CVE-2026-21513 | 0.14 | — | 0.15 | KEV | Feb 10, 2026 | Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network. | ||
| CVE-2026-21533 | 0.14 | — | 0.04 | KEV | Feb 10, 2026 | Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-21525 | 0.13 | — | 0.05 | KEV | Feb 10, 2026 | Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally. | ||
| CVE-2026-21510 | 0.12 | — | 0.26 | KEV | Feb 10, 2026 | Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network. | ||
| CVE-2026-21519 | 0.12 | — | 0.02 | KEV | Feb 10, 2026 | Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally. | ||
| CVE-2026-21244 | 0.03 | — | 0.01 | Feb 10, 2026 | Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally. | |||
| CVE-2026-21250 | 0.03 | — | 0.01 | Feb 10, 2026 | Untrusted pointer dereference in Windows HTTP.sys allows an authorized attacker to elevate privileges locally. | |||
| CVE-2026-21248 | 0.03 | — | 0.01 | Feb 10, 2026 | Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally. |
- risk 0.36cvss 5.5epss 0.01
Out-of-bounds read in Microsoft Graphics Component allows an unauthorized attacker to disclose information locally.
- risk 0.35cvss 5.4epss 0.00
Protection mechanism failure in Windows Mark of the Web (MOTW) allows an unauthorized attacker to bypass a security feature over a network.
- risk 0.35cvss 5.4epss 0.01
Out-of-bounds read in Telnet Client allows an unauthorized attacker to disclose information over a network.
- risk 0.34cvss 5.3epss 0.00
Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
- risk 0.34cvss 5.3epss 0.01
Windows Kerberos Denial of Service Vulnerability
- risk 0.31cvss 4.3epss 0.03
Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.
- risk 0.30cvss 4.6epss 0.00
Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack.
- risk 0.30cvss 4.6epss 0.00
Improper removal of sensitive information before storage or transfer in Windows Recovery Environment Agent allows an unauthorized attacker to bypass a security feature with a physical attack.
- risk 0.29cvss 4.4epss 0.00
Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass a security feature locally.
- risk 0.29cvss 4.4epss 0.00
Improper access control in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.
- risk 0.29cvss 4.4epss 0.00
Improper input validation in Windows Hello allows an authorized attacker to bypass a security feature locally.
- risk 0.25cvss 3.9epss 0.00
Improper input validation in Microsoft Azure Attestation service and Device Health Attestation Service allows an authorized attacker to perform spoofing with a physical attack.
- risk 0.14cvss —epss 0.15
Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.
- risk 0.14cvss —epss 0.04
Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.
- risk 0.13cvss —epss 0.05
Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.
- risk 0.12cvss —epss 0.26
Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
- risk 0.12cvss —epss 0.02
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
- CVE-2026-21244Feb 10, 2026risk 0.03cvss —epss 0.01
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
- CVE-2026-21250Feb 10, 2026risk 0.03cvss —epss 0.01
Untrusted pointer dereference in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-21248Feb 10, 2026risk 0.03cvss —epss 0.01
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
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