CVE-2026-81353Patch(microsoft / heif_image_extension)

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch microsoft heif_image_extension systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.

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0.5/ 10 priority

Sources & remediation

Patch / fix

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81353

Weakness type (CWE)

CWE-122

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

heif_image_extension

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Affected systems

Vendors

microsoft

Products

heif_image_extension

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Full discourse1 post

DFIR Lab@DFIR_Lab46d
Patch
🚨 HIGH SEVERITY: CVE-2026-81353 (CVSS 7.8) Heap-based buffer overflow in Microsoft Windows Codecs Library enables local code execution. Attack requires user interaction but no privileges. Patch immediately. #CVE #Vulnerability #PatchNow https://t.co/WNQDk6XELx
Post summary
The tweet warns about CVE-2026-81353, a heap-based buffer overflow in Microsoft Windows Codecs Library with CVSS 7.8, and urges immediate patching.
0000037
138 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	microsoft	heif_image_extension	-	-	-

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