🛡️ CVE-2024-20659 — windows-10-1809

How this vulnerability can be exploited

This issue can be reached from an adjacent network, attack complexity is high, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

• Attack vector: Adjacent network — the attacker has to sit on the same local or logical network.
• Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: Required — someone has to click, open or visit something.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2024-20659 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2024-20659 is recorded against 10 packages.

• windows-10-1809 (fixed in 10.0.17763.6414)
• windows-10-21h2 (fixed in 10.0.19044.5011)
• windows-10-22h2 (fixed in 10.0.19045.5011)
• windows-11-21h2 (fixed in 10.0.22000.3260)
• windows-11-22h2 (fixed in 10.0.22621.4317)
• windows-11-23h2 (fixed in 10.0.22631.4317)
• windows-11-24h2 (fixed in 10.0.26100.2033)
• windows-server-2019 (fixed in 10.0.17763.6414)
• windows-server-2022 (fixed in 10.0.20348.2762)
• windows-server-2022-23h2 (fixed in 10.0.25398.1189)

Timeline and source

Published on 8 October 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

msrc.microsoft.com

Same weakness in other software

These advisories are the same class of weakness (CWE-20: Improper Input Validation) in other software:

• CVE-2022-29191 (5.0 Medium, published 9 Jul 2026)
• CVE-2022-29212 (5.0 Medium, published 9 Jul 2026)
• CVE-2022-29211 (5.0 Medium, published 9 Jul 2026)
• CVE-2022-29207 (5.0 Medium, published 9 Jul 2026)
• CVE-2022-29201 (5.0 Medium, published 9 Jul 2026)
• CVE-2022-29192 (5.0 Medium, published 9 Jul 2026)
• CVE-2016-1517 (published 9 Jul 2026)
• CVE-2022-29213 (5.0 Medium, published 9 Jul 2026)

Details

Affected Packages

References