CVE-2024-43526: Microsoft Windows 10 Version 1809 · Improper Input Validation
Affects Microsoft Windows 10 Version 1809Source CVE Database V5
Not known to be exploited · CVSS 6.8 Medium : upgrade to 10.0.17763.6414 when convenient.
Data as of 26 Oct 2026, 13:47 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 51% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Total control over the software or total information disclosure
CISA SSVC assessment, 2024-10-08.
- Patch
- Available – fixed in 10.0.17763.6414, 10.0.19044.5011, 10.0.19045.5011 +5
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 8 Oct 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| MicrosoftWindows 10 Version 1809 | Affected
| Fixed in
|
| MicrosoftWindows 10 Version 21H2 | Affected
| Fixed in
|
| MicrosoftWindows 10 Version 22H2 | Affected
| Fixed in
|
| MicrosoftWindows 11 version 21H2 | Affected
| Fixed in
|
| MicrosoftWindows 11 version 22H2 | Affected
| Fixed in
|
| MicrosoftWindows 11 version 22H3 | Affected
| Fixed in
|
AI-suggested
Microsoft has released official patches that fix this vulnerability in the specified Windows 10 versions. Users and administrators should apply these updates promptly to mitigate the risk. Since an official fix is available, no additional mitigation steps are required beyond patching.
Description
CVE-2024-43526 is a vulnerability in the Windows Mobile Broadband Driver affecting multiple builds of Microsoft Windows 10 Version 1809 and later. It involves improper input validation, which could allow remote code execution. The vulnerability has been assigned a CVSS v3.1 score of 6.8, indicating a medium severity level. Official patches have been released to address this issue across all affected versions.