CVE-2026-96943: Integer overflow or wraparound in Windows Raw Image Extension allows an unauthorized attacker to execute code

Q: How do I fix CVE-2026-96943?

raw image extension: upgrade to 2.4.36.0, 2.5.35.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-96943 being exploited?

CVE-2026-96943 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-96943 affect?

CVE-2026-96943 affects raw image extension. Severity is high (CVSS 8.8). Integer overflow or wraparound in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.

Q: How urgent is CVE-2026-96943?

Priority 48/100. High severity; On your watchlist

This month

HIGH 8.8WATCHLISTUPGRADE

CVE-2026-96943 is a high-severity flaw (CVSS 8.8) affecting raw image extension. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Integer overflow or wraparound in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-122, CWE-190
Published	2026-10-13
Last modified	2026-10-16

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-13 19:22 UTCPublished CVE record published
2026-10-16 19:32 UTCUpdated Record last modified

microsoft raw image extension UPGRADE

Affected: < 2.5.35.0 · < 2.4.36.0

Fixed in: 2.4.36.0, 2.5.35.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy raw-image-extension || rpm -q raw-image-extension || raw-image-extension --version

2. UPGRADE to 2.4.36.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade raw-image-extension

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade raw-image-extension

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-96943?

raw image extension: upgrade to 2.4.36.0, 2.5.35.0. Exact commands for each OS are on this page.

Is CVE-2026-96943 being exploited?

CVE-2026-96943 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-96943 affect?

CVE-2026-96943 affects raw image extension. Severity is high (CVSS 8.8). Integer overflow or wraparound in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.

How urgent is CVE-2026-96943?

Priority 48/100. High severity; On your watchlist

Software pages

Windows vulnerabilities

References

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