AEGLIX vulnerability intelligence
CVE-2026-21519
HIGH · CVSS 7.8 · Analyzed
Published: 2026-02-10 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Severity and scoring
- CVSS score
- 7.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-843
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Microsoft · Windows
- Added to catalog
- 2026-02-10
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2026-03-03
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.14393.8868
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
Before (exclusive): 10.0.14393.8868
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.17763.8389
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
Before (exclusive): 10.0.17763.8389
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*
Before (exclusive): 10.0.19044.6937
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.19044.6937
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*
Before (exclusive): 10.0.19044.6937
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*
Before (exclusive): 10.0.19045.6937
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.19045.6937
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*
Before (exclusive): 10.0.19045.6937
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
Before (exclusive): 10.0.22631.6649
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.22631.6649
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
Before (exclusive): 10.0.26100.7781
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.26100.7781
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*
Before (exclusive): 10.0.26200.7781
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*
Before (exclusive): 10.0.26200.7781
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.14393.8868
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.17763.8389
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.20348.4711
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.25398.2149
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.26100.32313
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.