HIGHCVSS 8.8Actively exploited · CISA KEV since 2026-05-20Vulnerability

CVE-2009-1537

Microsoft DirectX contains a NULL byte overwrite vulnerability in the QuickTime Movie Parser Filter in quartz.dll in DirectShow which could allow remote attackers to execute arbitrary code via a crafted QuickTime media file.

Properties

Vulnerability name
Microsoft DirectX NULL Byte Overwrite Vulnerability
First seen
2026-05-21T03:55:22+00:00
Cvss score
8.8
Epss score
0.51362
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-06-03
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:46+00:00
Exploited euvd since
2026-05-20T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2026-05-20
Score
8.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor project
Microsoft

Related Entities (20)

AFFECTS_PRODUCT (17)

→[Product]cpe:2.3:a:microsoft:directx:9.0c:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:directx:9.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:directx:9.0b:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:directx:9.0a:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_xp:*:sp2:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:directx:7.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:directx:7.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:directx:8.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:directx:8.1b:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:directx:7.0a:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_2003_server:*:sp2:x64:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Microsoft DirectX NULL Byte Overwrite Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Neutralization of Null Byte or NUL Character

INVOLVES (1)

←[Signal]kev_added · 2026-05-20

Explore deeper with Ninja Signal's threat intelligence graph

Search in SpektrOpen Signal Desktop
CVE-2009-1537 (CVSS 8.8) — Ninja Signal Threat Intelligence | Ninja Signal