VulnerabilityPublished 8 Oct 2024Updated 19 Aug 2026

CVE-2024-43534: Microsoft Windows 10 Version 1507 · Out-of-bounds Read

Affects Microsoft Windows 10 Version 1507Source CVE Database V5

Not known to be exploited · CVSS 6.5 Medium : upgrade to 10.0.10240.20796 when convenient.

Data as of 26 Oct 2026, 13:47 UTC

CVSS 3.1 base score

6.5Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS

1.7% chance of exploitation in 30 days – higher than 78% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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: Limited control over the software or limited information exposure

CISA SSVC assessment, 2024-10-08.

Patch

Available – fixed in 10.0.10240.20796, 10.0.14393.7428, 10.0.17763.6414 +12

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Base metrics

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Temporal metrics

Exploit Code Maturity: Unproven
Remediation Level: Official Fix
Report Confidence: Confirmed

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: Required: Successful exploitation of this vulnerability requires a user to take some action before the vulnerability can be exploited.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.
Exploit Code Maturity: Unproven: No exploit code is available, or an exploit is theoretical.
Remediation Level: Official Fix: A complete vendor solution is available. Either the vendor has issued an official patch, or an upgrade is available.
Report Confidence: Confirmed: Detailed reports exist, or functional reproduction is possible (functional exploits may provide this). Source code is available to independently verify the assertions of the research, or the author or vendor of the affected code has confirmed the presence of the vulnerability.

Definitions: FIRST CVSS v3.1 specification.

Exploitation 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.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

Product	Affected	Fixed in
MicrosoftWindows 10 Version 1507	Affected >=10.0.10240.0 <10.0.10240.20796	Fixed in 10.0.10240.20796
MicrosoftWindows 10 Version 1607	Affected >=10.0.14393.0 <10.0.14393.7428	Fixed in 10.0.14393.7428
MicrosoftWindows 10 Version 1809	Affected >=10.0.17763.0 <10.0.17763.6414	Fixed in 10.0.17763.6414
MicrosoftWindows 10 Version 21H2	Affected >=10.0.19043.0 <10.0.19044.5011	Fixed in 10.0.19044.5011
MicrosoftWindows 10 Version 22H2	Affected >=10.0.19045.0 <10.0.19045.5011	Fixed in 10.0.19045.5011
MicrosoftWindows 11 version 21H2	Affected >=10.0.22000.0 <10.0.22000.3260	Fixed in 10.0.22000.3260

AI-suggested

Microsoft has released official security updates that address this vulnerability. Users and administrators should apply the provided patches corresponding to their Windows versions to remediate the issue. Since the patch is available and the remediation level is official-fix, updating to the fixed versions listed is the recommended mitigation. No additional action is required beyond applying these updates.

Description

CVE-2024-43534 is an information disclosure vulnerability in the Windows Graphics Component affecting multiple versions of Microsoft Windows 10 and some earlier Windows versions. It is caused by an out-of-bounds read (CWE-125) that could allow an attacker to disclose sensitive information. The vulnerability has a CVSS 3.1 base score of 6.5 (medium severity) and requires user interaction to exploit. Official patches have been released by Microsoft to address this issue.

Impact

Successful exploitation could result in the disclosure of sensitive information from the affected system. The vulnerability does not allow for privilege escalation, denial of service, or code execution. The attack vector is network-based with low attack complexity and no privileges required, but user interaction is necessary. The confidentiality impact is high, while integrity and availability impacts are none.

Summary

This vulnerability involves an out-of-bounds read in the Windows Graphics Component, which can lead to information disclosure. It affects a broad range of Windows 10 versions starting from 10.0.10240.0 up to but not including various fixed builds such as 10.0.10240.20796 and others. The flaw allows an attacker to potentially access sensitive information due to improper bounds checking. Microsoft has published an official security update that fixes the vulnerability in the specified fixed versions.

CWE-125Out-of-bounds Read (opens in a new tab)
Base weaknessCWE Top 25 (2025): #8
The product reads data past the end, or before the beginning, of the intended buffer.
Implementation · Input Validation
Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
Architecture and Design · Language Selection
Use a language that provides appropriate memory abstractions.
OWASP Cheat Sheets
XML Security (opens in a new tab)
Mass Assignment (opens in a new tab)
OWASP ASVS 4.0.3
V13.3.1 (opens in a new tab)
V5.1.4 (opens in a new tab)
V5.1.3 (opens in a new tab)
Attack patterns
Overread Buffers (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43534 (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 26 Oct 2026, 08:08 UTC

WeaknessesCWE-125

Technical details

References

Community reviews

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